diff --git a/.gitattributes b/.gitattributes
index 83be902793457dca8bc8bc6b04ac61225100043c..e357879e313c943f3dca0355a2b8e96e33b98d11 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -28922,3 +28922,53 @@ data/Child_ecg/P00/P00251/P00251_E02.dat filter=lfs diff=lfs merge=lfs -text
 data/Child_ecg/P00/P00251/P00251_E03.dat filter=lfs diff=lfs merge=lfs -text
 data/Child_ecg/P00/P00252/P00252_E01.dat filter=lfs diff=lfs merge=lfs -text
 data/Child_ecg/P00/P00252/P00252_E02.dat filter=lfs diff=lfs merge=lfs -text
+data/Child_ecg/P00/P00252/P00252_E03.dat filter=lfs diff=lfs merge=lfs -text
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diff --git "a/data/Child_ecg/P00/P00252\\P00252_E03.dat" "b/data/Child_ecg/P00/P00252\\P00252_E03.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..83467765e80ed5cbe0a51f26f212f5488fee8ea7
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:583a4230d3cf668a8bd3d0d2575e9867a9d59f33399d41bbfe5eef900feeb4a3
+size 360000
diff --git "a/data/Child_ecg/P00/P00252\\P00252_E03.hea" "b/data/Child_ecg/P00/P00252\\P00252_E03.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..29c859203587d73a04a4971eab4c47c63e2f0768
--- /dev/null
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@@ -0,0 +1,16 @@
+P00252_E03 12 500 15000
+P00252_E03.dat 16 31045.81818181818(3918)/mV 16 0 3893 6423 0 I
+P00252_E03.dat 16 45370.35866261398(-18190)/mV 16 0 -18301 1937 0 II
+P00252_E03.dat 16 30690.546500479388(-17137)/mV 16 0 -17162 41875 0 III
+P00252_E03.dat 16 53566.930787589496(11070)/mV 16 0 11157 9069 0 AVR
+P00252_E03.dat 16 31593.91865357644(11230)/mV 16 0 11230 46959 0 AVL
+P00252_E03.dat 16 45402.94736842105(-19288)/mV 16 0 -19362 15986 0 AVF
+P00252_E03.dat 16 51258.88133821223(-20797)/mV 16 0 -21005 7263 0 V1
+P00252_E03.dat 16 19484.729458917835(5213)/mV 16 0 5070 56428 0 V2
+P00252_E03.dat 16 30697.435466946485(-4198)/mV 16 0 -4423 36193 0 V3
+P00252_E03.dat 16 31009.94982078853(-7420)/mV 16 0 -7571 8213 0 V4
+P00252_E03.dat 16 34951.211267605635(-13380)/mV 16 0 -13522 62082 0 V5
+P00252_E03.dat 16 39896.34624145786(-15663)/mV 16 0 -15793 21849 0 V6
+# Male 4330
+# Atrial septal defect
+# Sinus tachycardia;Depression+ST deviation;Elevation+ST deviation
diff --git "a/data/Child_ecg/P00/P00253\\P00253_E01.dat" "b/data/Child_ecg/P00/P00253\\P00253_E01.dat"
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index 0000000000000000000000000000000000000000..8d4a6115c106c2f8454e956c1a60ff242aa47273
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+version https://git-lfs.github.com/spec/v1
+oid sha256:9f063d5aa6afa892649d18ccc556e707be774b432f424fdd72942a8bd6aaac4e
+size 360000
diff --git "a/data/Child_ecg/P00/P00253\\P00253_E01.hea" "b/data/Child_ecg/P00/P00253\\P00253_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..4c526ae64f3c5ae9b54676b2356627f6ff224a54
--- /dev/null
+++ "b/data/Child_ecg/P00/P00253\\P00253_E01.hea"
@@ -0,0 +1,16 @@
+P00253_E01 12 500 15000
+P00253_E01.dat 16 31292.31241997439(14966)/mV 16 0 14966 22286 0 I
+P00253_E01.dat 16 27513.904761904763(3345)/mV 16 0 3211 38825 0 II
+P00253_E01.dat 16 33801.76216758655(-16320)/mV 16 0 -16485 6740 0 III
+P00253_E01.dat 16 31735.305029392555(-9043)/mV 16 0 -8966 33507 0 AVR
+P00253_E01.dat 16 39620.116959064326(20163)/mV 16 0 20260 2907 0 AVL
+P00253_E01.dat 16 35666.56456846204(-5930)/mV 16 0 -6104 32343 0 AVF
+P00253_E01.dat 16 46835.68822553897(-12082)/mV 16 0 -11968 31548 0 V1
+P00253_E01.dat 16 8350.761139517896(11890)/mV 16 0 11985 15136 0 V2
+P00253_E01.dat 16 11068.046332046331(12024)/mV 16 0 12060 32200 0 V3
+P00253_E01.dat 16 28148.656990068754(3216)/mV 16 0 3216 53692 0 V4
+P00253_E01.dat 16 31728.96880733945(1007)/mV 16 0 981 48247 0 V5
+P00253_E01.dat 16 41232.318026045235(-3393)/mV 16 0 -3460 58247 0 V6
+# Male 922
+# Ventricular septal defect
+# Otherwise normal ECG;Sinus arrhythmia
diff --git "a/data/Child_ecg/P00/P00254\\P00254_E01.dat" "b/data/Child_ecg/P00/P00254\\P00254_E01.dat"
new file mode 100644
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+version https://git-lfs.github.com/spec/v1
+oid sha256:d11be1915c924af2daca171fa29679cc3d7e5a2f2d6d77b35939338e857f2a7e
+size 360000
diff --git "a/data/Child_ecg/P00/P00254\\P00254_E01.hea" "b/data/Child_ecg/P00/P00254\\P00254_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..54fbe1116b1e4460e19a515cbb6d59011d7d9f98
--- /dev/null
+++ "b/data/Child_ecg/P00/P00254\\P00254_E01.hea"
@@ -0,0 +1,16 @@
+P00254_E01 12 500 15000
+P00254_E01.dat 16 26804.952603861908(11969)/mV 16 0 12034 10223 0 I
+P00254_E01.dat 16 61933.971830985916(1587)/mV 16 0 2192 62252 0 II
+P00254_E01.dat 16 22685.737373737375(-15221)/mV 16 0 -15055 36387 0 III
+P00254_E01.dat 16 61157.438025799216(-6145)/mV 16 0 -6493 19320 0 AVR
+P00254_E01.dat 16 24648.57527159855(13762)/mV 16 0 13722 47581 0 AVL
+P00254_E01.dat 16 37993.93103448276(-16358)/mV 16 0 -16049 34150 0 AVF
+P00254_E01.dat 16 20079.54858934169(-7746)/mV 16 0 -7828 26067 0 V1
+P00254_E01.dat 16 13075.654976303318(-5824)/mV 16 0 -6005 16797 0 V2
+P00254_E01.dat 16 14344.688484848484(-9653)/mV 16 0 -9653 39975 0 V3
+P00254_E01.dat 16 28678.0324005891(-13751)/mV 16 0 -13588 56049 0 V4
+P00254_E01.dat 16 61075.44818817546(-9312)/mV 16 0 -8865 65271 0 V5
+P00254_E01.dat 16 57086.63518659558(3832)/mV 16 0 4250 30517 0 V6
+# Male 3711
+# Atrial septal defect (Foramen ovale);Pulmonary valve stenosis;Stenosis of right ventricular outflow tract
+# Sinus tachycardia;Right bundle-branch block;Right ventricular hypertrophy;Prolonged QTc interval
diff --git "a/data/Child_ecg/P00/P00255\\P00255_E01.dat" "b/data/Child_ecg/P00/P00255\\P00255_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..7e8b800eae55a6f553c26b15083be7529ee0aabe
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+version https://git-lfs.github.com/spec/v1
+oid sha256:cb88eb35c37f2f34ad14a8db50cea620756f7e01c1450727eaf182019c78eb67
+size 240000
diff --git "a/data/Child_ecg/P00/P00255\\P00255_E01.hea" "b/data/Child_ecg/P00/P00255\\P00255_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..fe3bce9178e18709d7b16bedad163e9b4f82002e
--- /dev/null
+++ "b/data/Child_ecg/P00/P00255\\P00255_E01.hea"
@@ -0,0 +1,16 @@
+P00255_E01 12 500 10000
+P00255_E01.dat 16 50502.187004754356(-9427)/mV 16 0 -9468 52254 0 I
+P00255_E01.dat 16 47132.942905596385(-12411)/mV 16 0 -12449 30775 0 II
+P00255_E01.dat 16 55607.338037203335(-11602)/mV 16 0 -11602 41098 0 III
+P00255_E01.dat 16 54095.905771495876(12084)/mV 16 0 12128 49758 0 AVR
+P00255_E01.dat 16 59623.3640167364(2023)/mV 16 0 2023 45237 0 AVL
+P00255_E01.dat 16 68456.13183000867(-13497)/mV 16 0 -13553 39495 0 AVF
+P00255_E01.dat 16 42324.946114577426(3668)/mV 16 0 3668 31830 0 V1
+P00255_E01.dat 16 17006.276923076923(1777)/mV 16 0 1722 50941 0 V2
+P00255_E01.dat 16 19091.3746898263(-2713)/mV 16 0 -2729 56446 0 V3
+P00255_E01.dat 16 21563.889908256882(-14404)/mV 16 0 -14404 11217 0 V4
+P00255_E01.dat 16 24374.62761506276(-15700)/mV 16 0 -15720 34085 0 V5
+P00255_E01.dat 16 46983.529411764706(-15412)/mV 16 0 -15412 29612 0 V6
+# Male 5049
+# Atrial septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00255\\P00255_E02.dat" "b/data/Child_ecg/P00/P00255\\P00255_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..71b53055636144c877cdbb9d8434601c26ff982b
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+++ "b/data/Child_ecg/P00/P00255\\P00255_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:42324d078997155bb7cb7193fbb1bc9c9623ec88732c68253f25bda3dff3bbcb
+size 240000
diff --git "a/data/Child_ecg/P00/P00255\\P00255_E02.hea" "b/data/Child_ecg/P00/P00255\\P00255_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..2cf7405259f05c98b8ee10b5c2a5ab06867a2155
--- /dev/null
+++ "b/data/Child_ecg/P00/P00255\\P00255_E02.hea"
@@ -0,0 +1,16 @@
+P00255_E02 12 500 10000
+P00255_E02.dat 16 63531.51835157759(-8679)/mV 16 0 -8679 58519 0 I
+P00255_E02.dat 16 50351.25013164824(-9423)/mV 16 0 -9382 62876 0 II
+P00255_E02.dat 16 53279.56840077071(-5763)/mV 16 0 -5763 10008 0 III
+P00255_E02.dat 16 61019.59800427655(9035)/mV 16 0 9035 20486 0 AVR
+P00255_E02.dat 16 69450.96132596685(4061)/mV 16 0 4061 53954 0 AVL
+P00255_E02.dat 16 61409.450372920255(-6635)/mV 16 0 -6635 29863 0 AVF
+P00255_E02.dat 16 64016.12813667912(-3494)/mV 16 0 -3546 2032 0 V1
+P00255_E02.dat 16 14181.272246696035(-1330)/mV 16 0 -1318 35792 0 V2
+P00255_E02.dat 16 17678.134969325154(-1813)/mV 16 0 -1799 48980 0 V3
+P00255_E02.dat 16 17781.300309597522(-10332)/mV 16 0 -10318 48883 0 V4
+P00255_E02.dat 16 26513.595687331537(-13555)/mV 16 0 -13533 20630 0 V5
+P00255_E02.dat 16 42845.03193106944(-12129)/mV 16 0 -12129 29815 0 V6
+# Male 5053
+# Atrial septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00256\\P00256_E01.dat" "b/data/Child_ecg/P00/P00256\\P00256_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..0742332398c3937202e56e7a9f438584d54c62dd
--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:317d8ae62c13d1d7eda19a1d81957df3241fbfc86894d5b03688a278080a6468
+size 360000
diff --git "a/data/Child_ecg/P00/P00256\\P00256_E01.hea" "b/data/Child_ecg/P00/P00256\\P00256_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..0acd4b314bb3ac7ae17afda5609ac97f69ae0220
--- /dev/null
+++ "b/data/Child_ecg/P00/P00256\\P00256_E01.hea"
@@ -0,0 +1,16 @@
+P00256_E01 12 500 15000
+P00256_E01.dat 16 71350.54981992797(-3746)/mV 16 0 -3746 6353 0 I
+P00256_E01.dat 16 63877.58464223386(-14895)/mV 16 0 -14999 17349 0 II
+P00256_E01.dat 16 77757.43021032505(-12910)/mV 16 0 -12973 320 0 III
+P00256_E01.dat 16 73380.2891957758(11340)/mV 16 0 11400 7437 0 AVR
+P00256_E01.dat 16 91550.46387064173(11466)/mV 16 0 11466 60469 0 AVL
+P00256_E01.dat 16 82618.54263565892(-14553)/mV 16 0 -14620 54571 0 AVF
+P00256_E01.dat 16 40993.082281675925(6885)/mV 16 0 6885 30203 0 V1
+P00256_E01.dat 16 19678.99945145365(2267)/mV 16 0 2267 44649 0 V2
+P00256_E01.dat 16 19707.589513108614(-7074)/mV 16 0 -7090 58109 0 V3
+P00256_E01.dat 16 27439.968441814595(-12388)/mV 16 0 -12410 17643 0 V4
+P00256_E01.dat 16 47349.56055995131(-13774)/mV 16 0 -13813 44603 0 V5
+P00256_E01.dat 16 71285.87238386933(-15720)/mV 16 0 -15778 47793 0 V6
+# Male 5040
+# Atrial septal defect (Foramen ovale)
+# Sinus bradycardia
diff --git "a/data/Child_ecg/P00/P00256\\P00256_E02.dat" "b/data/Child_ecg/P00/P00256\\P00256_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..4625abb699be108f70f9f4308b130a9c06095bb2
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+++ "b/data/Child_ecg/P00/P00256\\P00256_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a1507c2d4acfd1be9d4275bf1d5723ac7b097a2a6caf4680316caa256523a73
+size 240000
diff --git "a/data/Child_ecg/P00/P00256\\P00256_E02.hea" "b/data/Child_ecg/P00/P00256\\P00256_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..4ee22bd41175a18624a078748cae90a86ed67301
--- /dev/null
+++ "b/data/Child_ecg/P00/P00256\\P00256_E02.hea"
@@ -0,0 +1,16 @@
+P00256_E02 12 500 10000
+P00256_E02.dat 16 67240.15949632738(-1478)/mV 16 0 -1533 25983 0 I
+P00256_E02.dat 16 62978.54726368159(-14224)/mV 16 0 -14275 28453 0 II
+P00256_E02.dat 16 61453.333333333336(-9722)/mV 16 0 -9722 34152 0 III
+P00256_E02.dat 16 72566.95594347465(9859)/mV 16 0 9918 47442 0 AVR
+P00256_E02.dat 16 75062.41114982578(9309)/mV 16 0 9309 56753 0 AVL
+P00256_E02.dat 16 72389.17799352751(-10923)/mV 16 0 -10923 21980 0 AVF
+P00256_E02.dat 16 47358.302591922846(5596)/mV 16 0 5596 6484 0 V1
+P00256_E02.dat 16 15398.421585160202(2902)/mV 16 0 2852 43888 0 V2
+P00256_E02.dat 16 15860.71226681741(-5367)/mV 16 0 -5380 2181 0 V3
+P00256_E02.dat 16 15664.020698576973(-9118)/mV 16 0 -9143 2421 0 V4
+P00256_E02.dat 16 25457.00900900901(-10691)/mV 16 0 -10732 37723 0 V5
+P00256_E02.dat 16 47467.12056737589(-11525)/mV 16 0 -11564 4529 0 V6
+# Male 5053
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00257\\P00257_E01.dat" "b/data/Child_ecg/P00/P00257\\P00257_E01.dat"
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+version https://git-lfs.github.com/spec/v1
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+size 240000
diff --git "a/data/Child_ecg/P00/P00257\\P00257_E01.hea" "b/data/Child_ecg/P00/P00257\\P00257_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..0ea45b5a79fec798e87c398bbf5433290b3d5245
--- /dev/null
+++ "b/data/Child_ecg/P00/P00257\\P00257_E01.hea"
@@ -0,0 +1,16 @@
+P00257_E01 12 500 10000
+P00257_E01.dat 16 149207.6978911231(4371)/mV 16 0 4492 34425 0 I
+P00257_E01.dat 16 55698.32181638697(-18992)/mV 16 0 -18901 49754 0 II
+P00257_E01.dat 16 65454.42958748222(-21533)/mV 16 0 -21480 35070 0 III
+P00257_E01.dat 16 85133.20913242009(12751)/mV 16 0 12682 6977 0 AVR
+P00257_E01.dat 16 130128.35153797865(17842)/mV 16 0 17842 9661 0 AVL
+P00257_E01.dat 16 62698.51493598862(-22006)/mV 16 0 -21904 29561 0 AVF
+P00257_E01.dat 16 57713.85444743936(9053)/mV 16 0 9053 18424 0 V1
+P00257_E01.dat 16 19050.785091197464(14153)/mV 16 0 14153 59633 0 V2
+P00257_E01.dat 16 25466.83408071749(-16129)/mV 16 0 -16046 58448 0 V3
+P00257_E01.dat 16 26640.168421052633(-17938)/mV 16 0 -17851 64975 0 V4
+P00257_E01.dat 16 39653.64434845212(-19320)/mV 16 0 -19159 44906 0 V5
+P00257_E01.dat 16 56526.23467600701(-20947)/mV 16 0 -20809 58728 0 V6
+# Male 5080
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00257\\P00257_E02.dat" "b/data/Child_ecg/P00/P00257\\P00257_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..86fc180702309ee0df84c92dc1252c948554d842
--- /dev/null
+++ "b/data/Child_ecg/P00/P00257\\P00257_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:564b16211a4a491ffd3e1eec9555a2d272867c45095b58e87d3379a69c73a9a3
+size 240000
diff --git "a/data/Child_ecg/P00/P00257\\P00257_E02.hea" "b/data/Child_ecg/P00/P00257\\P00257_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..822b22439f740733b45f6d83117fdf6cc7045057
--- /dev/null
+++ "b/data/Child_ecg/P00/P00257\\P00257_E02.hea"
@@ -0,0 +1,16 @@
+P00257_E02 12 500 10000
+P00257_E02.dat 16 108279.25111441307(2815)/mV 16 0 2815 32562 0 I
+P00257_E02.dat 16 49336.967385850476(-20764)/mV 16 0 -20804 290 0 II
+P00257_E02.dat 16 56598.76714188731(-22590)/mV 16 0 -22590 6746 0 III
+P00257_E02.dat 16 73702.90964777948(14233)/mV 16 0 14233 9443 0 AVR
+P00257_E02.dat 16 102218.46561385634(16221)/mV 16 0 16221 41157 0 AVL
+P00257_E02.dat 16 55197.04831625183(-23563)/mV 16 0 -23608 44135 0 AVF
+P00257_E02.dat 16 46780.272878535776(8417)/mV 16 0 8417 51473 0 V1
+P00257_E02.dat 16 19064.284389489952(15415)/mV 16 0 15415 52009 0 V2
+P00257_E02.dat 16 31690.93890177881(7249)/mV 16 0 7249 59952 0 V3
+P00257_E02.dat 16 20245.81500364166(-19194)/mV 16 0 -19260 2976 0 V4
+P00257_E02.dat 16 30444.281312793035(-21670)/mV 16 0 -21744 1728 0 V5
+P00257_E02.dat 16 42659.08148148148(-21519)/mV 16 0 -21554 4195 0 V6
+# Male 5079
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00258\\P00258_E01.dat" "b/data/Child_ecg/P00/P00258\\P00258_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..9508d5f263490a805a27a700c10597934b4ca15d
--- /dev/null
+++ "b/data/Child_ecg/P00/P00258\\P00258_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:10a36eeda68e6bb81ac41408cdb0436d8e15922f1e6e1117c888f252e5ca656a
+size 360000
diff --git "a/data/Child_ecg/P00/P00258\\P00258_E01.hea" "b/data/Child_ecg/P00/P00258\\P00258_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..658d7b8703bed3a787b6d023d0ba072dda64c702
--- /dev/null
+++ "b/data/Child_ecg/P00/P00258\\P00258_E01.hea"
@@ -0,0 +1,16 @@
+P00258_E01 12 500 15000
+P00258_E01.dat 16 54369.49757934373(-8091)/mV 16 0 -7781 28836 0 I
+P00258_E01.dat 16 46976.0(-9646)/mV 16 0 -9455 32671 0 II
+P00258_E01.dat 16 150543.5413153457(-10972)/mV 16 0 -11094 6055 0 III
+P00258_E01.dat 16 52344.690157958685(9303)/mV 16 0 9047 44180 0 AVR
+P00258_E01.dat 16 97999.70866715223(83)/mV 16 0 402 49917 0 AVL
+P00258_E01.dat 16 75399.43225806451(-9941)/mV 16 0 -9880 18508 0 AVF
+P00258_E01.dat 16 40535.03690260133(-50)/mV 16 0 -347 84 0 V1
+P00258_E01.dat 16 28708.195372750644(10856)/mV 16 0 10739 36332 0 V2
+P00258_E01.dat 16 59045.833628318585(-188)/mV 16 0 -428 54108 0 V3
+P00258_E01.dat 16 36234.685612788635(-12845)/mV 16 0 -12874 58220 0 V4
+P00258_E01.dat 16 29870.688030160225(-17292)/mV 16 0 -17171 43463 0 V5
+P00258_E01.dat 16 32794.583017847486(-17963)/mV 16 0 -17723 3591 0 V6
+# Female 2787
+# Atrial septal defect (Ostium secundum defect )
+# Incomplete right bundle-branch block
diff --git "a/data/Child_ecg/P00/P00259\\P00259_E01.dat" "b/data/Child_ecg/P00/P00259\\P00259_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..eff94370b162ef01b4f6b133dae11e780af72cab
--- /dev/null
+++ "b/data/Child_ecg/P00/P00259\\P00259_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31d67a0d221da9cf3a2dbbc3c5ceb8b580dc34e18dad8b1ce02416f6c389de07
+size 360000
diff --git "a/data/Child_ecg/P00/P00259\\P00259_E01.hea" "b/data/Child_ecg/P00/P00259\\P00259_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..730b95b2b5f8cbce83882bdabafda0d8e90e1376
--- /dev/null
+++ "b/data/Child_ecg/P00/P00259\\P00259_E01.hea"
@@ -0,0 +1,16 @@
+P00259_E01 12 500 15000
+P00259_E01.dat 16 43469.913043478264(14099)/mV 16 0 14064 9604 0 I
+P00259_E01.dat 16 40020.08902532617(-20036)/mV 16 0 -20134 43260 0 II
+P00259_E01.dat 16 28523.97438243367(-17544)/mV 16 0 -17590 64738 0 III
+P00259_E01.dat 16 62599.308319738986(4707)/mV 16 0 4809 16584 0 AVR
+P00259_E01.dat 16 39260.7306501548(16769)/mV 16 0 16769 50544 0 AVL
+P00259_E01.dat 16 33973.12784588441(-18559)/mV 16 0 -18642 18087 0 AVF
+P00259_E01.dat 16 58620.507869884575(-19128)/mV 16 0 -19176 41241 0 V1
+P00259_E01.dat 16 12828.46221111805(7347)/mV 16 0 7399 25443 0 V2
+P00259_E01.dat 16 17701.43982730707(-735)/mV 16 0 -778 8109 0 V3
+P00259_E01.dat 16 25038.675712347354(-14746)/mV 16 0 -14827 63389 0 V4
+P00259_E01.dat 16 35223.97889182058(-19730)/mV 16 0 -19816 57646 0 V5
+P00259_E01.dat 16 35239.677461996034(-19750)/mV 16 0 -19836 27603 0 V6
+# Female 1205
+# Atrial septal defect
+# Frequent+Atrial premature complex(es)
diff --git "a/data/Child_ecg/P00/P00260\\P00260_E01.dat" "b/data/Child_ecg/P00/P00260\\P00260_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..33948b685341268328869baf36e276b44dbb72d8
--- /dev/null
+++ "b/data/Child_ecg/P00/P00260\\P00260_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:34592cc6666a68d8b2a6b35480bd832ce4286ac53b838d6a864c41921187c2ca
+size 360000
diff --git "a/data/Child_ecg/P00/P00260\\P00260_E01.hea" "b/data/Child_ecg/P00/P00260\\P00260_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..a6c380cdc3cfa41123e24ced9dda7b42b4c9231a
--- /dev/null
+++ "b/data/Child_ecg/P00/P00260\\P00260_E01.hea"
@@ -0,0 +1,16 @@
+P00260_E01 12 500 15000
+P00260_E01.dat 16 71731.66126126127(-13328)/mV 16 0 -13561 53339 0 I
+P00260_E01.dat 16 36480.21227197347(-22026)/mV 16 0 -22174 27315 0 II
+P00260_E01.dat 16 57690.90865093769(-21126)/mV 16 0 -21126 51037 0 III
+P00260_E01.dat 16 48946.44567219153(19143)/mV 16 0 19302 63248 0 AVR
+P00260_E01.dat 16 152860.41479937467(3041)/mV 16 0 2792 1900 0 AVL
+P00260_E01.dat 16 45162.63399693721(-21967)/mV 16 0 -22040 42223 0 AVF
+P00260_E01.dat 16 45143.14893617021(385)/mV 16 0 385 11774 0 V1
+P00260_E01.dat 16 20731.030504714367(3735)/mV 16 0 3684 16964 0 V2
+P00260_E01.dat 16 30896.218258132216(-4013)/mV 16 0 -4114 33635 0 V3
+P00260_E01.dat 16 28781.45933384973(-14624)/mV 16 0 -14718 19801 0 V4
+P00260_E01.dat 16 30421.798588839(-21188)/mV 16 0 -21312 14249 0 V5
+P00260_E01.dat 16 31191.824231010673(-20636)/mV 16 0 -20763 49169 0 V6
+# Female 4060
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00261\\P00261_E01.dat" "b/data/Child_ecg/P00/P00261\\P00261_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..155721da2f1eac7cce1040329c235e9c9c8868da
--- /dev/null
+++ "b/data/Child_ecg/P00/P00261\\P00261_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e4b9abd3953437ff72b8aab3a668fb955bcd21a8bf0bd786920bd9691031f9e
+size 240000
diff --git "a/data/Child_ecg/P00/P00261\\P00261_E01.hea" "b/data/Child_ecg/P00/P00261\\P00261_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..612fc9e2ca2625c3d1679562b1eb8f197113a58f
--- /dev/null
+++ "b/data/Child_ecg/P00/P00261\\P00261_E01.hea"
@@ -0,0 +1,16 @@
+P00261_E01 12 500 10000
+P00261_E01.dat 16 60306.57519788918(11874)/mV 16 0 11874 8608 0 I
+P00261_E01.dat 16 30070.778097982708(-17482)/mV 16 0 -17433 36884 0 II
+P00261_E01.dat 16 21747.809523809523(-16934)/mV 16 0 -16916 27186 0 III
+P00261_E01.dat 16 63113.6(6679)/mV 16 0 6628 20504 0 AVR
+P00261_E01.dat 16 33228.868175765645(15973)/mV 16 0 15973 29676 0 AVL
+P00261_E01.dat 16 25399.406003159558(-17066)/mV 16 0 -17025 13524 0 AVF
+P00261_E01.dat 16 39919.7872070931(-1989)/mV 16 0 -2021 23872 0 V1
+P00261_E01.dat 16 21980.204744069913(1620)/mV 16 0 1602 45174 0 V2
+P00261_E01.dat 16 20031.695076760192(4186)/mV 16 0 4186 17227 0 V3
+P00261_E01.dat 16 15192.561317876754(-8450)/mV 16 0 -8450 4519 0 V4
+P00261_E01.dat 16 31240.24597364568(-11930)/mV 16 0 -11930 6902 0 V5
+P00261_E01.dat 16 48564.0303657695(-15587)/mV 16 0 -15587 54788 0 V6
+# Male 2031
+# Myocarditis
+# Sinus arrhythmia;Frequent+Ventricular premature complex(es)
diff --git "a/data/Child_ecg/P00/P00262\\P00262_E01.dat" "b/data/Child_ecg/P00/P00262\\P00262_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..1f396bbbd3042fa2e3919dc15e544f969b3af5d5
--- /dev/null
+++ "b/data/Child_ecg/P00/P00262\\P00262_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f2bf459f5f42050dad44e8f2322aaecb55edee9f18785b1e7a3437a5b156efd5
+size 360000
diff --git "a/data/Child_ecg/P00/P00262\\P00262_E01.hea" "b/data/Child_ecg/P00/P00262\\P00262_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..56b6857e343fa7e1a4120c9fba0b1c940a64ada3
--- /dev/null
+++ "b/data/Child_ecg/P00/P00262\\P00262_E01.hea"
@@ -0,0 +1,16 @@
+P00262_E01 12 500 15000
+P00262_E01.dat 16 14794.340611353711(318)/mV 16 0 294 26785 0 I
+P00262_E01.dat 16 37427.2(-10106)/mV 16 0 -10197 23576 0 II
+P00262_E01.dat 16 16780.71692461308(57)/mV 16 0 43 44019 0 III
+P00262_E01.dat 16 22579.2(3836)/mV 16 0 3891 31968 0 AVR
+P00262_E01.dat 16 16228.61451460886(863)/mV 16 0 863 34893 0 AVL
+P00262_E01.dat 16 30322.980866062437(-3362)/mV 16 0 -3411 23006 0 AVF
+P00262_E01.dat 16 45144.21420256112(5103)/mV 16 0 5140 42137 0 V1
+P00262_E01.dat 16 16491.75288526816(-9044)/mV 16 0 -9084 27680 0 V2
+P00262_E01.dat 16 32567.637557452395(-8548)/mV 16 0 -8628 52958 0 V3
+P00262_E01.dat 16 31453.305075292807(-5230)/mV 16 0 -5307 21368 0 V4
+P00262_E01.dat 16 33866.10950283197(-6491)/mV 16 0 -6629 26748 0 V5
+P00262_E01.dat 16 33049.12081678956(-4317)/mV 16 0 -4451 35202 0 V6
+# Female 5376
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00263\\P00263_E01.dat" "b/data/Child_ecg/P00/P00263\\P00263_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..94c143f2cdf2d755aa80f5ac047eae03ee49c942
--- /dev/null
+++ "b/data/Child_ecg/P00/P00263\\P00263_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15e70960f9085d18fc4dd089437091f6cee86fefd535c867613f816bb174a464
+size 360000
diff --git "a/data/Child_ecg/P00/P00263\\P00263_E01.hea" "b/data/Child_ecg/P00/P00263\\P00263_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..f36b7a86afbf67122baf0482fb9e4e2d62e8c793
--- /dev/null
+++ "b/data/Child_ecg/P00/P00263\\P00263_E01.hea"
@@ -0,0 +1,16 @@
+P00263_E01 12 500 15000
+P00263_E01.dat 16 69629.21170864534(-7795)/mV 16 0 -7229 12556 0 I
+P00263_E01.dat 16 41557.98672792241(-12891)/mV 16 0 -12857 35000 0 II
+P00263_E01.dat 16 49351.306300686214(-13453)/mV 16 0 -13814 62189 0 III
+P00263_E01.dat 16 59623.049399198935(10844)/mV 16 0 10602 566 0 AVR
+P00263_E01.dat 16 94084.8644356211(7729)/mV 16 0 8418 19794 0 AVL
+P00263_E01.dat 16 45812.79363274588(-13093)/mV 16 0 -13205 25146 0 AVF
+P00263_E01.dat 16 75922.97791798107(14240)/mV 16 0 13869 65356 0 V1
+P00263_E01.dat 16 14178.413243408952(12399)/mV 16 0 12618 7193 0 V2
+P00263_E01.dat 16 16860.51893634166(8100)/mV 16 0 8251 33381 0 V3
+P00263_E01.dat 16 24482.549110595515(-1853)/mV 16 0 -1813 30440 0 V4
+P00263_E01.dat 16 25789.674091441968(-11284)/mV 16 0 -11116 755 0 V5
+P00263_E01.dat 16 34030.04408817635(-16184)/mV 16 0 -16073 24742 0 V6
+# Male 4544
+# Atrial septal defect
+# Sinus tachycardia
diff --git "a/data/Child_ecg/P00/P00263\\P00263_E02.dat" "b/data/Child_ecg/P00/P00263\\P00263_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..c9dbec9de3e4a7d52ed53765a57e0cf03d4942b7
--- /dev/null
+++ "b/data/Child_ecg/P00/P00263\\P00263_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c7e0fd72d70b03e4b478bb07e8f01bb51caa595b656856e419f21310f3d1ece
+size 360000
diff --git "a/data/Child_ecg/P00/P00263\\P00263_E02.hea" "b/data/Child_ecg/P00/P00263\\P00263_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..2d6ad41939b16a5b4e2f80956d0e1ea391c5f1b6
--- /dev/null
+++ "b/data/Child_ecg/P00/P00263\\P00263_E02.hea"
@@ -0,0 +1,16 @@
+P00263_E02 12 500 15000
+P00263_E02.dat 16 11162.13612565445(-3619)/mV 16 0 -3601 37874 0 I
+P00263_E02.dat 16 39884.47209515096(-11481)/mV 16 0 -11416 63373 0 II
+P00263_E02.dat 16 10301.86421173763(2203)/mV 16 0 2203 45006 0 III
+P00263_E02.dat 16 22008.977556109727(1708)/mV 16 0 1672 59672 0 AVR
+P00263_E02.dat 16 10747.309372797745(-2981)/mV 16 0 -2972 7806 0 AVL
+P00263_E02.dat 16 17358.159292035398(-2119)/mV 16 0 -2105 27564 0 AVF
+P00263_E02.dat 16 29864.72217353199(510)/mV 16 0 534 4673 0 V1
+P00263_E02.dat 16 15293.156844968269(179)/mV 16 0 254 54731 0 V2
+P00263_E02.dat 16 16042.421279654924(-10975)/mV 16 0 -10949 44134 0 V3
+P00263_E02.dat 16 16491.908621960207(-10912)/mV 16 0 -10899 31514 0 V4
+P00263_E02.dat 16 19777.553641346905(-8103)/mV 16 0 -8087 33771 0 V5
+P00263_E02.dat 16 19783.712050078248(-8076)/mV 16 0 -8060 46755 0 V6
+# Male 4539
+# Atrial septal defect
+# Otherwise normal ECG;Sinus arrhythmia
diff --git "a/data/Child_ecg/P00/P00264\\P00264_E01.dat" "b/data/Child_ecg/P00/P00264\\P00264_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..0b3f1dece56a2f72215198df302adf676d74cd73
--- /dev/null
+++ "b/data/Child_ecg/P00/P00264\\P00264_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9dc5f1be5fcd650947cb005380c508ca5720b84245fa44de3d23dff782cbb335
+size 156000
diff --git "a/data/Child_ecg/P00/P00264\\P00264_E01.hea" "b/data/Child_ecg/P00/P00264\\P00264_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..4a731342e12b9ee81aac115682b809a991163d88
--- /dev/null
+++ "b/data/Child_ecg/P00/P00264\\P00264_E01.hea"
@@ -0,0 +1,16 @@
+P00264_E01 12 500 6500
+P00264_E01.dat 16 83232.15043653459(-2510)/mV 16 0 -2036 2719 0 I
+P00264_E01.dat 16 29648.956576463184(-21265)/mV 16 0 -21000 27664 0 II
+P00264_E01.dat 16 28071.14860977948(-18471)/mV 16 0 -18402 58670 0 III
+P00264_E01.dat 16 50914.8978805395(18844)/mV 16 0 18471 18642 0 AVR
+P00264_E01.dat 16 48583.971759959655(14275)/mV 16 0 14354 18038 0 AVL
+P00264_E01.dat 16 29383.56459593183(-19718)/mV 16 0 -19551 630 0 AVF
+P00264_E01.dat 16 18039.286673058486(3981)/mV 16 0 4025 31255 0 V1
+P00264_E01.dat 16 14594.721177432542(2095)/mV 16 0 2083 16202 0 V2
+P00264_E01.dat 16 21522.201448321262(-841)/mV 16 0 -823 33669 0 V3
+P00264_E01.dat 16 18334.567164179105(-13573)/mV 16 0 -13424 33535 0 V4
+P00264_E01.dat 16 24913.76347546259(-17646)/mV 16 0 -17484 27055 0 V5
+P00264_E01.dat 16 31143.37927292458(-18754)/mV 16 0 -18526 16077 0 V6
+# Female 1320
+# Patent ductus arteriosus
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00265\\P00265_E01.dat" "b/data/Child_ecg/P00/P00265\\P00265_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..b3457349429a5f8e3b92f86be623a2ea2976d85f
--- /dev/null
+++ "b/data/Child_ecg/P00/P00265\\P00265_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:325b270e8567a72f01b904b789154ef85269cae698483b75c593aa1abee18028
+size 360000
diff --git "a/data/Child_ecg/P00/P00265\\P00265_E01.hea" "b/data/Child_ecg/P00/P00265\\P00265_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..60967e3a25f603b043a8f192df96746148be612c
--- /dev/null
+++ "b/data/Child_ecg/P00/P00265\\P00265_E01.hea"
@@ -0,0 +1,16 @@
+P00265_E01 12 500 15000
+P00265_E01.dat 16 33141.50178298523(-16884)/mV 16 0 -16453 56245 0 I
+P00265_E01.dat 16 44677.09158186864(-9185)/mV 16 0 -8894 44285 0 II
+P00265_E01.dat 16 61863.48474576271(2877)/mV 16 0 2525 22873 0 III
+P00265_E01.dat 16 38857.02564102564(14590)/mV 16 0 14211 33868 0 AVR
+P00265_E01.dat 16 43967.628103539355(-12447)/mV 16 0 -12054 8334 0 AVL
+P00265_E01.dat 16 85432.32642812304(459)/mV 16 0 459 55042 0 AVF
+P00265_E01.dat 16 63277.65452847806(324)/mV 16 0 -242 8608 0 V1
+P00265_E01.dat 16 14103.788576300085(-455)/mV 16 0 -421 40567 0 V2
+P00265_E01.dat 16 19026.163980378416(-6253)/mV 16 0 -6253 62580 0 V3
+P00265_E01.dat 16 21232.572268495835(-11607)/mV 16 0 -11434 43245 0 V4
+P00265_E01.dat 16 27803.841556636555(-13231)/mV 16 0 -12937 40930 0 V5
+P00265_E01.dat 16 35884.43773584906(-14194)/mV 16 0 -13844 21915 0 V6
+# Female 2201
+# Ventricular septal defect
+# Sinus tachycardia
diff --git "a/data/Child_ecg/P00/P00265\\P00265_E02.dat" "b/data/Child_ecg/P00/P00265\\P00265_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..efa78b9e3587d9dc803da3f9b64dcbb93ec5c891
--- /dev/null
+++ "b/data/Child_ecg/P00/P00265\\P00265_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0767dd8f3a7722de5ceaced04ee5b355acb09cb99e88780f5d9d4280f6108d1
+size 360000
diff --git "a/data/Child_ecg/P00/P00265\\P00265_E02.hea" "b/data/Child_ecg/P00/P00265\\P00265_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..8032558c311951458899c2e971449ca81387c6de
--- /dev/null
+++ "b/data/Child_ecg/P00/P00265\\P00265_E02.hea"
@@ -0,0 +1,16 @@
+P00265_E02 12 500 15000
+P00265_E02.dat 16 31698.149253731342(-18249)/mV 16 0 -18249 15512 0 I
+P00265_E02.dat 16 42525.54514596063(-2181)/mV 16 0 -2181 11019 0 II
+P00265_E02.dat 16 47141.75115207373(7193)/mV 16 0 7193 42285 0 III
+P00265_E02.dat 16 38400.8325203252(13359)/mV 16 0 13359 9659 0 AVR
+P00265_E02.dat 16 38219.189697870235(-13928)/mV 16 0 -13928 21190 0 AVL
+P00265_E02.dat 16 65855.68780487805(6785)/mV 16 0 6785 65479 0 AVF
+P00265_E02.dat 16 29705.915492957745(188)/mV 16 0 188 16533 0 V1
+P00265_E02.dat 16 14015.574548907882(-3942)/mV 16 0 -3828 11955 0 V2
+P00265_E02.dat 16 13776.732910500352(-13676)/mV 16 0 -13609 42265 0 V3
+P00265_E02.dat 16 17281.533640552996(-14456)/mV 16 0 -14428 1441 0 V4
+P00265_E02.dat 16 20016.629159104657(-16611)/mV 16 0 -16627 7171 0 V5
+P00265_E02.dat 16 32488.81076233184(-15079)/mV 16 0 -15053 19562 0 V6
+# Female 2189
+# Ventricular septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00265\\P00265_E03.dat" "b/data/Child_ecg/P00/P00265\\P00265_E03.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..98060b48220277b13068f2e10b405459a9f6bda6
--- /dev/null
+++ "b/data/Child_ecg/P00/P00265\\P00265_E03.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:604d9eb1dab3e7fd1829866139fbf35ca5a8dae9659cdc10c756c1bcdc3de113
+size 252000
diff --git "a/data/Child_ecg/P00/P00265\\P00265_E03.hea" "b/data/Child_ecg/P00/P00265\\P00265_E03.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..904f0447dc789f95e5b04eba5b2b9dc9f5abf909
--- /dev/null
+++ "b/data/Child_ecg/P00/P00265\\P00265_E03.hea"
@@ -0,0 +1,16 @@
+P00265_E03 12 500 10500
+P00265_E03.dat 16 49607.72488199596(-14806)/mV 16 0 -14967 38997 0 I
+P00265_E03.dat 16 40280.35398230088(-10542)/mV 16 0 -10640 33449 0 II
+P00265_E03.dat 16 61833.25390399075(-6666)/mV 16 0 -6666 53767 0 III
+P00265_E03.dat 16 46707.288102261555(13621)/mV 16 0 13773 58612 0 AVR
+P00265_E03.dat 16 85322.58267716535(-6312)/mV 16 0 -6451 26851 0 AVL
+P00265_E03.dat 16 51499.862928348906(-8551)/mV 16 0 -8593 45680 0 AVF
+P00265_E03.dat 16 72981.46024878313(178)/mV 16 0 237 10278 0 V1
+P00265_E03.dat 16 14755.191673894189(461)/mV 16 0 473 35668 0 V2
+P00265_E03.dat 16 16718.16998950682(-1649)/mV 16 0 -1676 22233 0 V3
+P00265_E03.dat 16 18844.78754863813(-9119)/mV 16 0 -9196 29242 0 V4
+P00265_E03.dat 16 22984.657195799875(-14597)/mV 16 0 -14690 47746 0 V5
+P00265_E03.dat 16 39002.324065196546(-12904)/mV 16 0 -12999 32525 0 V6
+# Female 2199
+# Ventricular septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00266\\P00266_E01.dat" "b/data/Child_ecg/P00/P00266\\P00266_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..3e4d9700c07e0064687e5fbbf539c091bd7c550b
--- /dev/null
+++ "b/data/Child_ecg/P00/P00266\\P00266_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e6ca79851791b72306c38579d7886c8434443eb6008e36e4651d6b20938b6073
+size 360000
diff --git "a/data/Child_ecg/P00/P00266\\P00266_E01.hea" "b/data/Child_ecg/P00/P00266\\P00266_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..0e587fd40482b0419a89df6fdaf5c2dbffe8e1b0
--- /dev/null
+++ "b/data/Child_ecg/P00/P00266\\P00266_E01.hea"
@@ -0,0 +1,16 @@
+P00266_E01 12 500 15000
+P00266_E01.dat 16 79674.19317073171(7109)/mV 16 0 7109 27500 0 I
+P00266_E01.dat 16 31668.30683403068(-10593)/mV 16 0 -10593 25063 0 II
+P00266_E01.dat 16 31645.26110509209(-18505)/mV 16 0 -18531 18335 0 III
+P00266_E01.dat 16 53131.87628865979(2464)/mV 16 0 2464 37388 0 AVR
+P00266_E01.dat 16 54425.52086553323(18815)/mV 16 0 18815 38219 0 AVL
+P00266_E01.dat 16 31969.986206896552(-14659)/mV 16 0 -14685 32719 0 AVF
+P00266_E01.dat 16 24540.346134152587(14037)/mV 16 0 14037 28655 0 V1
+P00266_E01.dat 16 17101.44537815126(14930)/mV 16 0 15027 24037 0 V2
+P00266_E01.dat 16 16950.457739791073(2094)/mV 16 0 2163 35372 0 V3
+P00266_E01.dat 16 14142.653036680698(-9799)/mV 16 0 -9741 10278 0 V4
+P00266_E01.dat 16 18349.69057908384(-12034)/mV 16 0 -11989 44415 0 V5
+P00266_E01.dat 16 27752.058910162003(-14365)/mV 16 0 -14320 35740 0 V6
+# Female 2927
+# Atrial septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00267\\P00267_E01.dat" "b/data/Child_ecg/P00/P00267\\P00267_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..610534274d249c35712c8e5f5a886788fc242ae8
--- /dev/null
+++ "b/data/Child_ecg/P00/P00267\\P00267_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5b314eef135f84f02eaa6ee740e49c63f72978fe3aca88bf6a65eafae1e2b6a8
+size 312000
diff --git "a/data/Child_ecg/P00/P00267\\P00267_E01.hea" "b/data/Child_ecg/P00/P00267\\P00267_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..f8064247cac2b63b0d51985be8d62e4735856f0e
--- /dev/null
+++ "b/data/Child_ecg/P00/P00267\\P00267_E01.hea"
@@ -0,0 +1,16 @@
+P00267_E01 12 500 13000
+P00267_E01.dat 16 43774.35897435898(-6092)/mV 16 0 -6092 18272 0 I
+P00267_E01.dat 16 61170.1317715959(-12367)/mV 16 0 -12367 62306 0 II
+P00267_E01.dat 16 52891.70600134862(-13617)/mV 16 0 -13617 10486 0 III
+P00267_E01.dat 16 61172.92791612058(12814)/mV 16 0 12814 53205 0 AVR
+P00267_E01.dat 16 52081.342086068566(2098)/mV 16 0 2098 63483 0 AVL
+P00267_E01.dat 16 66146.23255813954(-10546)/mV 16 0 -10546 14504 0 AVF
+P00267_E01.dat 16 50933.98168193172(-2898)/mV 16 0 -2857 60596 0 V1
+P00267_E01.dat 16 52030.84852002322(-10880)/mV 16 0 -10880 5959 0 V2
+P00267_E01.dat 16 31579.33120340788(-3809)/mV 16 0 -3809 8053 0 V3
+P00267_E01.dat 16 1235.7154614932392(76)/mV 16 0 70 55572 0 V4
+P00267_E01.dat 16 36224.39064089522(-15380)/mV 16 0 -15409 27454 0 V5
+P00267_E01.dat 16 63366.637037037035(-16059)/mV 16 0 -16111 43028 0 V6
+# Female 2109
+# Otherwise diseases
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00268\\P00268_E01.dat" "b/data/Child_ecg/P00/P00268\\P00268_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..e4d727f18d8edc286e59af7e3d9e1a76afb26721
--- /dev/null
+++ "b/data/Child_ecg/P00/P00268\\P00268_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b198183ee2e9d876f35cfb85e234852b0801b1e357557aa428dff2d76961838d
+size 360000
diff --git "a/data/Child_ecg/P00/P00268\\P00268_E01.hea" "b/data/Child_ecg/P00/P00268\\P00268_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..30ac27a669f29ebcae000da63001a9f3b410274e
--- /dev/null
+++ "b/data/Child_ecg/P00/P00268\\P00268_E01.hea"
@@ -0,0 +1,16 @@
+P00268_E01 12 500 15000
+P00268_E01.dat 16 88910.03988603989(-9910)/mV 16 0 -10272 18725 0 I
+P00268_E01.dat 16 40055.63129689175(-23643)/mV 16 0 -23643 15282 0 II
+P00268_E01.dat 16 36629.735849056604(-17600)/mV 16 0 -17451 15553 0 III
+P00268_E01.dat 16 64758.68284228769(21968)/mV 16 0 22073 57073 0 AVR
+P00268_E01.dat 16 60469.0136239782(10577)/mV 16 0 10331 36992 0 AVL
+P00268_E01.dat 16 39255.03150912106(-21209)/mV 16 0 -21113 10612 0 AVF
+P00268_E01.dat 16 13712.095808383234(3013)/mV 16 0 2422 15130 0 V1
+P00268_E01.dat 16 4953.174705251876(3337)/mV 16 0 3083 53345 0 V2
+P00268_E01.dat 16 3226.268366727383(8746)/mV 16 0 8644 13262 0 V3
+P00268_E01.dat 16 6370.349102773246(-9886)/mV 16 0 -10114 35828 0 V4
+P00268_E01.dat 16 19547.27576601671(-12208)/mV 16 0 -12446 65237 0 V5
+P00268_E01.dat 16 21612.108108108107(-7778)/mV 16 0 -7796 1018 0 V6
+# Female 417
+# Ventricular septal defect
+# Otherwise normal ECG
diff --git "a/data/Child_ecg/P00/P00269\\P00269_E01.dat" "b/data/Child_ecg/P00/P00269\\P00269_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..5eaa30bb3e468165d4303bcdfe2dd8ca234e265f
--- /dev/null
+++ "b/data/Child_ecg/P00/P00269\\P00269_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:beba742ba334d204b350753d242a0bb74ae902f30ff8a23b1d4420d356444b15
+size 360000
diff --git "a/data/Child_ecg/P00/P00269\\P00269_E01.hea" "b/data/Child_ecg/P00/P00269\\P00269_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..06e644c4d2e839403122618195f5a408e99951c4
--- /dev/null
+++ "b/data/Child_ecg/P00/P00269\\P00269_E01.hea"
@@ -0,0 +1,16 @@
+P00269_E01 12 500 15000
+P00269_E01.dat 16 96727.2525951557(-5468)/mV 16 0 -5547 39718 0 I
+P00269_E01.dat 16 54216.44474212994(-13005)/mV 16 0 -13137 3652 0 II
+P00269_E01.dat 16 92896.96472097498(-15088)/mV 16 0 -15239 49168 0 III
+P00269_E01.dat 16 70842.70522088354(10299)/mV 16 0 10414 47980 0 AVR
+P00269_E01.dat 16 245639.47032859243(-2197)/mV 16 0 -2197 4360 0 AVL
+P00269_E01.dat 16 72176.17547357926(-15093)/mV 16 0 -15269 59308 0 AVF
+P00269_E01.dat 16 27764.032198142413(11021)/mV 16 0 10885 14616 0 V1
+P00269_E01.dat 16 19129.627234042553(11134)/mV 16 0 10963 18958 0 V2
+P00269_E01.dat 16 26799.817572099262(6255)/mV 16 0 6059 34721 0 V3
+P00269_E01.dat 16 29380.476370510398(-2411)/mV 16 0 -2674 35476 0 V4
+P00269_E01.dat 16 37321.69696969697(-13523)/mV 16 0 -13675 46475 0 V5
+P00269_E01.dat 16 45687.63743378458(-13816)/mV 16 0 -13890 48224 0 V6
+# Female 3706
+# Kawasaki disease
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00270\\P00270_E01.dat" "b/data/Child_ecg/P00/P00270\\P00270_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..22dabe72dd19910eef0a291adcb57dede384b68c
--- /dev/null
+++ "b/data/Child_ecg/P00/P00270\\P00270_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:34f93e9e6f08efacdf82d9af52feb27e257012793d519cd22dca75181a2b76ee
+size 360000
diff --git "a/data/Child_ecg/P00/P00270\\P00270_E01.hea" "b/data/Child_ecg/P00/P00270\\P00270_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..27fb552d03e42fd307f1f01ddeed27d130121123
--- /dev/null
+++ "b/data/Child_ecg/P00/P00270\\P00270_E01.hea"
@@ -0,0 +1,16 @@
+P00270_E01 12 500 15000
+P00270_E01.dat 16 35580.98277425204(5559)/mV 16 0 5762 2385 0 I
+P00270_E01.dat 16 26660.489977728284(-9387)/mV 16 0 -9279 54925 0 II
+P00270_E01.dat 16 22973.6448(-18745)/mV 16 0 -18782 24775 0 III
+P00270_E01.dat 16 45805.63396778917(-2215)/mV 16 0 -2439 56271 0 AVR
+P00270_E01.dat 16 30078.93264913406(13027)/mV 16 0 13149 50720 0 AVL
+P00270_E01.dat 16 25950.032983508245(-15864)/mV 16 0 -15843 30815 0 AVF
+P00270_E01.dat 16 55481.90922401171(-14264)/mV 16 0 -14625 20633 0 V1
+P00270_E01.dat 16 14394.318931657503(3022)/mV 16 0 3163 33778 0 V2
+P00270_E01.dat 16 15069.875061485489(-2848)/mV 16 0 -2627 45939 0 V3
+P00270_E01.dat 16 20061.658536585364(-7063)/mV 16 0 -6998 42455 0 V4
+P00270_E01.dat 16 23414.772643253236(-8026)/mV 16 0 -7855 41165 0 V5
+P00270_E01.dat 16 38677.573033707864(-5874)/mV 16 0 -5685 31958 0 V6
+# Female 1158
+# Pulmonary valve stenosis;Atrial septal defect
+# Sinus tachycardia;Incomplete right bundle-branch block
diff --git "a/data/Child_ecg/P00/P00270\\P00270_E02.dat" "b/data/Child_ecg/P00/P00270\\P00270_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..36fbe28de511722f0f64e264060bd8a17088ec94
--- /dev/null
+++ "b/data/Child_ecg/P00/P00270\\P00270_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32fe2b22c693aa4d237251b864966ae18fb91011a64c15ecac2d1d0cc74c9e0c
+size 360000
diff --git "a/data/Child_ecg/P00/P00270\\P00270_E02.hea" "b/data/Child_ecg/P00/P00270\\P00270_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..22b0a071c49247bac8ff1aad18cb007dab4339f5
--- /dev/null
+++ "b/data/Child_ecg/P00/P00270\\P00270_E02.hea"
@@ -0,0 +1,16 @@
+P00270_E02 12 500 15000
+P00270_E02.dat 16 44811.593635250916(2986)/mV 16 0 3387 19812 0 I
+P00270_E02.dat 16 25385.46379215036(-10344)/mV 16 0 -10344 33175 0 II
+P00270_E02.dat 16 25127.45131244708(-18277)/mV 16 0 -18481 9945 0 III
+P00270_E02.dat 16 43169.064730792496(2076)/mV 16 0 1865 37906 0 AVR
+P00270_E02.dat 16 35356.530120481926(13086)/mV 16 0 13374 48738 0 AVL
+P00270_E02.dat 16 26836.90302560124(-15876)/mV 16 0 -15963 43481 0 AVF
+P00270_E02.dat 16 12156.852459016394(1994)/mV 16 0 1925 33728 0 V1
+P00270_E02.dat 16 18005.2771560237(-6058)/mV 16 0 -6263 10047 0 V2
+P00270_E02.dat 16 18053.990771259065(-6021)/mV 16 0 -6227 41533 0 V3
+P00270_E02.dat 16 15797.134445534839(-1327)/mV 16 0 -1417 47397 0 V4
+P00270_E02.dat 16 27849.907658881042(-7732)/mV 16 0 -7641 46881 0 V5
+P00270_E02.dat 16 19075.173553719007(-5719)/mV 16 0 -5750 61053 0 V6
+# Female 1160
+# Pulmonary valve stenosis;Atrial septal defect
+# Sinus tachycardia;Incomplete right bundle-branch block;Inversion+T-wave abnormality
diff --git "a/data/Child_ecg/P00/P00270\\P00270_E03.dat" "b/data/Child_ecg/P00/P00270\\P00270_E03.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..df9a5c7e3e6398a1debe7470a4965bf7f0f69e3e
--- /dev/null
+++ "b/data/Child_ecg/P00/P00270\\P00270_E03.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f5bf06c0f7cca9517cdc7c72033af9b2fba7cf9f1f9fcd1f2beec5440ca658a
+size 360000
diff --git "a/data/Child_ecg/P00/P00270\\P00270_E03.hea" "b/data/Child_ecg/P00/P00270\\P00270_E03.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..a2d6f260fd44dff29f3a5e626be5d5d0035d8868
--- /dev/null
+++ "b/data/Child_ecg/P00/P00270\\P00270_E03.hea"
@@ -0,0 +1,16 @@
+P00270_E03 12 500 15000
+P00270_E03.dat 16 32131.324675324675(5891)/mV 16 0 5917 36006 0 I
+P00270_E03.dat 16 35827.42014742015(-4287)/mV 16 0 -4170 693 0 II
+P00270_E03.dat 16 25100.127094165222(-11552)/mV 16 0 -11511 22747 0 III
+P00270_E03.dat 16 52243.14018691589(-5472)/mV 16 0 -5600 33179 0 AVR
+P00270_E03.dat 16 29445.53031358885(8497)/mV 16 0 8497 38406 0 AVL
+P00270_E03.dat 16 35289.6355226642(-14140)/mV 16 0 -14054 36310 0 AVF
+P00270_E03.dat 16 38981.45940390545(-14247)/mV 16 0 -14342 55064 0 V1
+P00270_E03.dat 16 29426.25589563472(-4131)/mV 16 0 -4059 1111 0 V2
+P00270_E03.dat 16 21759.298630136986(-1743)/mV 16 0 -1672 34885 0 V3
+P00270_E03.dat 16 23084.503655564582(-5016)/mV 16 0 -4997 59115 0 V4
+P00270_E03.dat 16 3173.7952755905512(-4426)/mV 16 0 -4426 16131 0 V5
+P00270_E03.dat 16 1939.5061728395062(6508)/mV 16 0 6510 39779 0 V6
+# Female 1152
+# Pulmonary valve stenosis;Atrial septal defect
+# Incomplete right bundle-branch block
diff --git "a/data/Child_ecg/P00/P00271\\P00271_E01.dat" "b/data/Child_ecg/P00/P00271\\P00271_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..f7f81d01c1a9e5c5d63c177ae786d0be41902be6
--- /dev/null
+++ "b/data/Child_ecg/P00/P00271\\P00271_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d959e134b2e9b29498e7490fbce998fe6aa6bcb124778cae2e5eb9a1f9175e8
+size 360000
diff --git "a/data/Child_ecg/P00/P00271\\P00271_E01.hea" "b/data/Child_ecg/P00/P00271\\P00271_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..c7d32e00be4bee5e4f3859538c5ebec174967e71
--- /dev/null
+++ "b/data/Child_ecg/P00/P00271\\P00271_E01.hea"
@@ -0,0 +1,16 @@
+P00271_E01 12 500 15000
+P00271_E01.dat 16 28325.7287522604(-17470)/mV 16 0 -17539 30603 0 I
+P00271_E01.dat 16 21570.418794688456(8478)/mV 16 0 8338 37694 0 II
+P00271_E01.dat 16 13606.246455834242(15971)/mV 16 0 15927 34165 0 III
+P00271_E01.dat 16 64294.12765957447(2645)/mV 16 0 2959 19858 0 AVR
+P00271_E01.dat 16 19402.471147318396(-18812)/mV 16 0 -18812 63683 0 AVL
+P00271_E01.dat 16 16818.523911491793(13254)/mV 16 0 13172 37519 0 AVF
+P00271_E01.dat 16 15340.42945474986(20535)/mV 16 0 20523 5359 0 V1
+P00271_E01.dat 16 6949.630901287554(17835)/mV 16 0 17778 24638 0 V2
+P00271_E01.dat 16 10300.22241231822(14268)/mV 16 0 14184 41978 0 V3
+P00271_E01.dat 16 19593.168372093023(8371)/mV 16 0 8212 16741 0 V4
+P00271_E01.dat 16 18865.80544747082(5112)/mV 16 0 4943 60096 0 V5
+P00271_E01.dat 16 17641.110257816785(-1361)/mV 16 0 -1490 36656 0 V6
+# Female 5370
+# Otherwise diseases
+# Nonspecific intraventricular block;Left-axis deviation;Left ventricular hypertrophy;Depression+ST deviation;Inversion+T-wave abnormality;Prolonged QT interval;Prolonged QTc interval;Abnormal Q wave
diff --git "a/data/Child_ecg/P00/P00272\\P00272_E01.dat" "b/data/Child_ecg/P00/P00272\\P00272_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..8acd7ba09ad0982698c8fa0f94354b72fc3fa042
--- /dev/null
+++ "b/data/Child_ecg/P00/P00272\\P00272_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aaff01773fbca48a992e063a5469684497433bb76a8607634437c284234151ad
+size 264000
diff --git "a/data/Child_ecg/P00/P00272\\P00272_E01.hea" "b/data/Child_ecg/P00/P00272\\P00272_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..b7ff1cf4ba45104b4943311210498575925dbe2a
--- /dev/null
+++ "b/data/Child_ecg/P00/P00272\\P00272_E01.hea"
@@ -0,0 +1,16 @@
+P00272_E01 12 500 11000
+P00272_E01.dat 16 67223.99575146043(-1863)/mV 16 0 -1754 10017 0 I
+P00272_E01.dat 16 64569.35623599701(-11659)/mV 16 0 -11712 10345 0 II
+P00272_E01.dat 16 60401.336515513125(-8052)/mV 16 0 -8199 44136 0 III
+P00272_E01.dat 16 79462.78244631186(8788)/mV 16 0 8788 27862 0 AVR
+P00272_E01.dat 16 74873.49152542373(8216)/mV 16 0 8338 40747 0 AVL
+P00272_E01.dat 16 67240.3383356071(-8701)/mV 16 0 -8810 39394 0 AVF
+P00272_E01.dat 16 16768.30403800475(8597)/mV 16 0 8870 62083 0 V1
+P00272_E01.dat 16 13762.597213809811(11612)/mV 16 0 11735 29503 0 V2
+P00272_E01.dat 16 15476.384546271338(876)/mV 16 0 813 48617 0 V3
+P00272_E01.dat 16 11029.814183617373(6419)/mV 16 0 6554 20662 0 V4
+P00272_E01.dat 16 16371.2(1766)/mV 16 0 1540 51835 0 V5
+P00272_E01.dat 16 15671.310507674145(-6842)/mV 16 0 -6753 50432 0 V6
+# Male 1339
+# Atrial septal defect (Foramen ovale)
+# Sinus tachycardia;T-wave abnormality
diff --git "a/data/Child_ecg/P00/P00273\\P00273_E01.dat" "b/data/Child_ecg/P00/P00273\\P00273_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..f1ac4e45b32bde595b5d6c5ec414347083c2d695
--- /dev/null
+++ "b/data/Child_ecg/P00/P00273\\P00273_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b42634ab45e9adf1882e464a28681e086e9d9bb3af73e5495610208e58cbfd7
+size 360000
diff --git "a/data/Child_ecg/P00/P00273\\P00273_E01.hea" "b/data/Child_ecg/P00/P00273\\P00273_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..835984d0ce50e25aaf1a08439550a17411c92d18
--- /dev/null
+++ "b/data/Child_ecg/P00/P00273\\P00273_E01.hea"
@@ -0,0 +1,16 @@
+P00273_E01 12 500 15000
+P00273_E01.dat 16 60290.20566981656(-26147)/mV 16 0 -26294 47662 0 I
+P00273_E01.dat 16 19195.425754775108(-25161)/mV 16 0 -25286 35016 0 II
+P00273_E01.dat 16 24576.0(-19651)/mV 16 0 -19751 17103 0 III
+P00273_E01.dat 16 30547.890601690702(27225)/mV 16 0 27374 20529 0 AVR
+P00273_E01.dat 16 64292.736288504886(9017)/mV 16 0 9017 57872 0 AVL
+P00273_E01.dat 16 21678.775815944355(-22875)/mV 16 0 -22998 40420 0 AVF
+P00273_E01.dat 16 14059.632802937576(12103)/mV 16 0 12172 38055 0 V1
+P00273_E01.dat 16 9830.985446985447(4176)/mV 16 0 4200 52075 0 V2
+P00273_E01.dat 16 21611.928020565552(-24557)/mV 16 0 -24786 27516 0 V3
+P00273_E01.dat 16 19806.470363288718(-27709)/mV 16 0 -27854 47084 0 V4
+P00273_E01.dat 16 18480.761904761905(-25566)/mV 16 0 -25701 38598 0 V5
+P00273_E01.dat 16 21833.49945828819(-22927)/mV 16 0 -23087 14106 0 V6
+# Female 1278
+# Patent ductus arteriosus
+# Left ventricular high voltage;Prolonged QTc interval
diff --git "a/data/Child_ecg/P00/P00274\\P00274_E01.dat" "b/data/Child_ecg/P00/P00274\\P00274_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..7edc674e925fb4623ba8eb8ee84ec3fb4a5e16ab
--- /dev/null
+++ "b/data/Child_ecg/P00/P00274\\P00274_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29e68d3f65c093660e12b379cb95a947b41617c8b5b144832b579f16d2b737ce
+size 240000
diff --git "a/data/Child_ecg/P00/P00274\\P00274_E01.hea" "b/data/Child_ecg/P00/P00274\\P00274_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..7d0a799fce9fac06798b565a3aef307714646a18
--- /dev/null
+++ "b/data/Child_ecg/P00/P00274\\P00274_E01.hea"
@@ -0,0 +1,16 @@
+P00274_E01 12 500 10000
+P00274_E01.dat 16 130143.9815986199(-5140)/mV 16 0 -5140 49709 0 I
+P00274_E01.dat 16 68039.79859013091(-16272)/mV 16 0 -16272 20100 0 II
+P00274_E01.dat 16 97659.53609083536(-18068)/mV 16 0 -18068 31341 0 III
+P00274_E01.dat 16 94101.740577582(14169)/mV 16 0 14169 48252 0 AVR
+P00274_E01.dat 16 193180.50345781466(1332)/mV 16 0 1332 6491 0 AVL
+P00274_E01.dat 16 81452.33611289288(-17266)/mV 16 0 -17266 40926 0 AVF
+P00274_E01.dat 16 43308.601431980904(2675)/mV 16 0 2675 48315 0 V1
+P00274_E01.dat 16 22778.672508214677(7852)/mV 16 0 7871 30805 0 V2
+P00274_E01.dat 16 27178.986506746627(2640)/mV 16 0 2640 27212 0 V3
+P00274_E01.dat 16 33057.391304347824(-4552)/mV 16 0 -4552 13642 0 V4
+P00274_E01.dat 16 46697.73346897253(-10353)/mV 16 0 -10353 16009 0 V5
+P00274_E01.dat 16 61212.25838103025(-14490)/mV 16 0 -14490 3641 0 V6
+# Female 4082
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00274\\P00274_E02.dat" "b/data/Child_ecg/P00/P00274\\P00274_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..662f6b4502ec0a2c01c19491c99db34a7d2bd43f
--- /dev/null
+++ "b/data/Child_ecg/P00/P00274\\P00274_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebb149b5d9ad11056bbd292868a92365b6265367b13c6d9c952ff9e8ef2d1527
+size 360000
diff --git "a/data/Child_ecg/P00/P00274\\P00274_E02.hea" "b/data/Child_ecg/P00/P00274\\P00274_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..78455dd12534fe55d5e2a9e1a2a6bb3bbaaff141
--- /dev/null
+++ "b/data/Child_ecg/P00/P00274\\P00274_E02.hea"
@@ -0,0 +1,16 @@
+P00274_E02 12 500 15000
+P00274_E02.dat 16 123924.93213409648(4235)/mV 16 0 4235 58156 0 I
+P00274_E02.dat 16 8207.64306498545(288)/mV 16 0 288 22778 0 II
+P00274_E02.dat 16 8256.156632403328(177)/mV 16 0 177 2444 0 III
+P00274_E02.dat 16 16085.129186602871(63)/mV 16 0 63 18363 0 AVR
+P00274_E02.dat 16 16552.902018709996(64)/mV 16 0 64 14365 0 AVL
+P00274_E02.dat 16 8237.910331384015(249)/mV 16 0 249 52573 0 AVF
+P00274_E02.dat 16 23316.709721278043(728)/mV 16 0 728 46620 0 V1
+P00274_E02.dat 16 19496.49431537321(5750)/mV 16 0 5766 21022 0 V2
+P00274_E02.dat 16 24026.415512465373(1114)/mV 16 0 1114 23671 0 V3
+P00274_E02.dat 16 24689.53043478261(506)/mV 16 0 506 31726 0 V4
+P00274_E02.dat 16 24581.116345467522(864)/mV 16 0 864 40571 0 V5
+P00274_E02.dat 16 24562.768126346014(647)/mV 16 0 627 28712 0 V6
+# Female 4079
+# Atrial septal defect (Foramen ovale)
+# Otherwise normal ECG
diff --git "a/data/Child_ecg/P00/P00275\\P00275_E01.dat" "b/data/Child_ecg/P00/P00275\\P00275_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..1341525d87d56d531e8cb1918e27bd48840c2fbd
--- /dev/null
+++ "b/data/Child_ecg/P00/P00275\\P00275_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9f46056009de7894878c3a8bb839daf83ecf35d5baaf023fe59aba724bb38850
+size 360000
diff --git "a/data/Child_ecg/P00/P00275\\P00275_E01.hea" "b/data/Child_ecg/P00/P00275\\P00275_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..9fa2de856f2ad93d5c0dc2daaa5abe60dfa5290a
--- /dev/null
+++ "b/data/Child_ecg/P00/P00275\\P00275_E01.hea"
@@ -0,0 +1,16 @@
+P00275_E01 12 500 15000
+P00275_E01.dat 16 37720.874135546335(-6134)/mV 16 0 -6165 12601 0 I
+P00275_E01.dat 16 20930.330532212884(-18173)/mV 16 0 -18207 41966 0 II
+P00275_E01.dat 16 31074.56330749354(-15151)/mV 16 0 -15151 44560 0 III
+P00275_E01.dat 16 28054.491535318157(14164)/mV 16 0 14210 11185 0 AVR
+P00275_E01.dat 16 45434.07407407407(5568)/mV 16 0 5568 64961 0 AVL
+P00275_E01.dat 16 25578.57740585774(-17842)/mV 16 0 -17863 9258 0 AVF
+P00275_E01.dat 16 40242.32478632479(-12076)/mV 16 0 -12043 28225 0 V1
+P00275_E01.dat 16 18502.100052659294(1545)/mV 16 0 1545 50669 0 V2
+P00275_E01.dat 16 15138.026761819803(-16195)/mV 16 0 -16220 39448 0 V3
+P00275_E01.dat 16 12823.122580645162(-19180)/mV 16 0 -19243 61456 0 V4
+P00275_E01.dat 16 18993.901201602137(-18874)/mV 16 0 -18936 33154 0 V5
+P00275_E01.dat 16 31429.840776699028(-16960)/mV 16 0 -17011 19752 0 V6
+# Male 1805
+# Kawasaki disease
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00276\\P00276_E01.dat" "b/data/Child_ecg/P00/P00276\\P00276_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..3626e38c90b5aad2272c0649d873049bf0dbd4c7
--- /dev/null
+++ "b/data/Child_ecg/P00/P00276\\P00276_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9c36041b1cc8b1c4070ebbd1b7bf06ec0af5f36ee9bd30f2794bbcc10ffda607
+size 240000
diff --git "a/data/Child_ecg/P00/P00276\\P00276_E01.hea" "b/data/Child_ecg/P00/P00276\\P00276_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..9c3f76b5d61f8ca7a1d18b0ff1fe08db8a8082b7
--- /dev/null
+++ "b/data/Child_ecg/P00/P00276\\P00276_E01.hea"
@@ -0,0 +1,16 @@
+P00276_E01 12 500 10000
+P00276_E01.dat 16 60428.403768506054(-10844)/mV 16 0 -10844 42019 0 I
+P00276_E01.dat 16 57001.83617193836(-15608)/mV 16 0 -15608 40502 0 II
+P00276_E01.dat 16 146677.08852459016(-10923)/mV 16 0 -10923 25820 0 III
+P00276_E01.dat 16 60756.0404040404(14224)/mV 16 0 14224 49718 0 AVR
+P00276_E01.dat 16 106812.9947826087(-2778)/mV 16 0 -2778 39713 0 AVL
+P00276_E01.dat 16 94866.7972027972(-14551)/mV 16 0 -14551 18770 0 AVF
+P00276_E01.dat 16 93659.0990990991(7843)/mV 16 0 7995 54334 0 V1
+P00276_E01.dat 16 28440.795811518325(9672)/mV 16 0 9718 21761 0 V2
+P00276_E01.dat 16 34328.380952380954(-18159)/mV 16 0 -18159 40791 0 V3
+P00276_E01.dat 16 37382.82666666667(-21815)/mV 16 0 -21815 32524 0 V4
+P00276_E01.dat 16 47596.623476587556(-23709)/mV 16 0 -23709 15349 0 V5
+P00276_E01.dat 16 53398.89082384461(-23035)/mV 16 0 -23035 64810 0 V6
+# Male 5040
+# Atrial septal defect (Foramen ovale)
+# Otherwise normal ECG
diff --git "a/data/Child_ecg/P00/P00276\\P00276_E02.dat" "b/data/Child_ecg/P00/P00276\\P00276_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..f1e496288f114ce93d27c13d062651e512510845
--- /dev/null
+++ "b/data/Child_ecg/P00/P00276\\P00276_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c09b5f1b3fc861a848d2453127269dfb3cec834dd4345f22c04da2f51c265de
+size 240000
diff --git "a/data/Child_ecg/P00/P00276\\P00276_E02.hea" "b/data/Child_ecg/P00/P00276\\P00276_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..d5183f02c3f37e016b0abf25a612f10fc9126c99
--- /dev/null
+++ "b/data/Child_ecg/P00/P00276\\P00276_E02.hea"
@@ -0,0 +1,16 @@
+P00276_E02 12 500 10000
+P00276_E02.dat 16 64711.11111111111(-12292)/mV 16 0 -12292 16413 0 I
+P00276_E02.dat 16 61305.9728651237(-23390)/mV 16 0 -23390 15074 0 II
+P00276_E02.dat 16 149469.33922001472(-20369)/mV 16 0 -20369 2856 0 III
+P00276_E02.dat 16 70777.20281509917(21249)/mV 16 0 21249 24548 0 AVR
+P00276_E02.dat 16 102255.90419161676(586)/mV 16 0 586 41369 0 AVL
+P00276_E02.dat 16 89296.99147242751(-23180)/mV 16 0 -23180 21208 0 AVF
+P00276_E02.dat 16 67072.0(12952)/mV 16 0 12952 59346 0 V1
+P00276_E02.dat 16 23876.760330578512(12375)/mV 16 0 12317 24098 0 V2
+P00276_E02.dat 16 28568.150943396227(2720)/mV 16 0 2697 600 0 V3
+P00276_E02.dat 16 34603.68319381842(-19647)/mV 16 0 -19647 7212 0 V4
+P00276_E02.dat 16 45934.835249042146(-23986)/mV 16 0 -23986 42324 0 V5
+P00276_E02.dat 16 58924.78902229846(-24380)/mV 16 0 -24380 23397 0 V6
+# Male 5037
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00277\\P00277_E01.dat" "b/data/Child_ecg/P00/P00277\\P00277_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..eddf533e6ad86694d6684516d1788f2996de2184
--- /dev/null
+++ "b/data/Child_ecg/P00/P00277\\P00277_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65dab2108b9426a2b16e966d4701ce7ed97c06e2b3e04fe602dcb9529f14c0de
+size 192000
diff --git "a/data/Child_ecg/P00/P00277\\P00277_E01.hea" "b/data/Child_ecg/P00/P00277\\P00277_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..0dcd532b84f0aab497def5065781a51128bc35cf
--- /dev/null
+++ "b/data/Child_ecg/P00/P00277\\P00277_E01.hea"
@@ -0,0 +1,16 @@
+P00277_E01 12 500 8000
+P00277_E01.dat 16 32410.624891209747(3600)/mV 16 0 3574 7550 0 I
+P00277_E01.dat 16 41043.397324025595(1683)/mV 16 0 1650 61670 0 II
+P00277_E01.dat 16 33452.84076433121(-12251)/mV 16 0 -12251 26229 0 III
+P00277_E01.dat 16 46617.3023255814(-1446)/mV 16 0 -1408 60029 0 AVR
+P00277_E01.dat 16 34072.340983606555(7827)/mV 16 0 7827 46036 0 AVL
+P00277_E01.dat 16 41849.960426179605(-5916)/mV 16 0 -5916 7613 0 AVF
+P00277_E01.dat 16 38460.16679302502(-20382)/mV 16 0 -20382 62024 0 V1
+P00277_E01.dat 16 51638.68957617411(-10755)/mV 16 0 -10671 51698 0 V2
+P00277_E01.dat 16 19422.982742960943(9000)/mV 16 0 9047 37410 0 V3
+P00277_E01.dat 16 23775.249466950958(10790)/mV 16 0 10809 40550 0 V4
+P00277_E01.dat 16 30119.909170305677(912)/mV 16 0 863 17785 0 V5
+P00277_E01.dat 16 38423.42892007322(-2017)/mV 16 0 -2048 2018 0 V6
+# Male 894
+# Atrial septal defect (Ostium secundum defect )
+# Otherwise normal ECG
diff --git "a/data/Child_ecg/P00/P00278\\P00278_E01.dat" "b/data/Child_ecg/P00/P00278\\P00278_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..d761da8a938d5bb3b8c95e5987fe549a9b0dfe5e
--- /dev/null
+++ "b/data/Child_ecg/P00/P00278\\P00278_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8d10eab581f5c3a79f2400065a4ea52f5c997d8b04692b3f269c42b6f4ac9b4
+size 360000
diff --git "a/data/Child_ecg/P00/P00278\\P00278_E01.hea" "b/data/Child_ecg/P00/P00278\\P00278_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..47302775e669b7b8e3f0353ffa77b8363264967c
--- /dev/null
+++ "b/data/Child_ecg/P00/P00278\\P00278_E01.hea"
@@ -0,0 +1,16 @@
+P00278_E01 12 500 15000
+P00278_E01.dat 16 11768.915129151292(17067)/mV 16 0 16952 39079 0 I
+P00278_E01.dat 16 11642.372040586246(7572)/mV 16 0 7430 2845 0 II
+P00278_E01.dat 16 24468.80888183981(-17701)/mV 16 0 -17761 13198 0 III
+P00278_E01.dat 16 12637.56725146199(-15884)/mV 16 0 -15740 36371 0 AVR
+P00278_E01.dat 16 19102.4(14989)/mV 16 0 14927 54022 0 AVL
+P00278_E01.dat 16 18988.457308248915(-7140)/mV 16 0 -7279 15641 0 AVF
+P00278_E01.dat 16 36881.41268803139(-5232)/mV 16 0 -5262 31850 0 V1
+P00278_E01.dat 16 11831.029541169077(3997)/mV 16 0 3525 36957 0 V2
+P00278_E01.dat 16 3288.2521137586473(655)/mV 16 0 647 17425 0 V3
+P00278_E01.dat 16 8956.82269503546(-13034)/mV 16 0 -13056 50566 0 V4
+P00278_E01.dat 16 8961.81560283688(-13023)/mV 16 0 -13045 19003 0 V5
+P00278_E01.dat 16 1718.898142216528(9158)/mV 16 0 8902 47572 0 V6
+# Female 1184
+# Atrial septal defect (Foramen ovale);Ventricular septal defect
+# Left ventricular high voltage
diff --git "a/data/Child_ecg/P00/P00279\\P00279_E01.dat" "b/data/Child_ecg/P00/P00279\\P00279_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..779363a44b7701cd55068385fa0055752f21df09
--- /dev/null
+++ "b/data/Child_ecg/P00/P00279\\P00279_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fbe92f5e6552d2d4296c595e53d3bf8e36b2c28eca5b78d79461dc450a42fc7
+size 240000
diff --git "a/data/Child_ecg/P00/P00279\\P00279_E01.hea" "b/data/Child_ecg/P00/P00279\\P00279_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..a1e6ae2ade204098532bcf4b782b29a905c1f60c
--- /dev/null
+++ "b/data/Child_ecg/P00/P00279\\P00279_E01.hea"
@@ -0,0 +1,16 @@
+P00279_E01 12 500 10000
+P00279_E01.dat 16 31035.673336938886(-18757)/mV 16 0 -18858 16028 0 I
+P00279_E01.dat 16 36371.50476190476(-10390)/mV 16 0 -10449 51383 0 II
+P00279_E01.dat 16 39802.24958402662(13954)/mV 16 0 14019 8198 0 III
+P00279_E01.dat 16 35905.03988183161(14709)/mV 16 0 14797 46537 0 AVR
+P00279_E01.dat 16 38627.44422700587(-18310)/mV 16 0 -18404 65115 0 AVL
+P00279_E01.dat 16 51012.0266469282(884)/mV 16 0 884 52191 0 AVF
+P00279_E01.dat 16 62205.784189267164(-6448)/mV 16 0 -6246 4721 0 V1
+P00279_E01.dat 16 12276.730741012472(-85)/mV 16 0 -15 28196 0 V2
+P00279_E01.dat 16 13902.399115533444(-8207)/mV 16 0 -8241 35895 0 V3
+P00279_E01.dat 16 23533.723610402856(-10233)/mV 16 0 -10271 46659 0 V4
+P00279_E01.dat 16 40657.08651162791(-11426)/mV 16 0 -11459 19063 0 V5
+P00279_E01.dat 16 54546.73170731707(-9289)/mV 16 0 -9378 270 0 V6
+# Male 1286
+# Ventricular septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00280\\P00280_E01.dat" "b/data/Child_ecg/P00/P00280\\P00280_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..db51306f3efd8dead023909de7081a7db52b9e15
--- /dev/null
+++ "b/data/Child_ecg/P00/P00280\\P00280_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c931977540d96cf9e3ac632f2147c6cd1399c08c3b148329b5722eea8200c5a7
+size 360000
diff --git "a/data/Child_ecg/P00/P00280\\P00280_E01.hea" "b/data/Child_ecg/P00/P00280\\P00280_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..187bf47a9395625b16cd901620d8e8e236171942
--- /dev/null
+++ "b/data/Child_ecg/P00/P00280\\P00280_E01.hea"
@@ -0,0 +1,16 @@
+P00280_E01 12 500 15000
+P00280_E01.dat 16 56558.798418972336(2168)/mV 16 0 2490 12957 0 I
+P00280_E01.dat 16 51441.740053050395(5111)/mV 16 0 5111 10702 0 II
+P00280_E01.dat 16 81711.98522622345(-11162)/mV 16 0 -11627 39207 0 III
+P00280_E01.dat 16 56652.96889726673(-3417)/mV 16 0 -3555 9432 0 AVR
+P00280_E01.dat 16 80079.46468401486(9306)/mV 16 0 9762 39933 0 AVL
+P00280_E01.dat 16 81688.03576751117(7379)/mV 16 0 7180 12714 0 AVF
+P00280_E01.dat 16 41948.24804585722(-13114)/mV 16 0 -13660 24998 0 V1
+P00280_E01.dat 16 34072.66935949221(-3935)/mV 16 0 -4600 12488 0 V2
+P00280_E01.dat 16 34089.2140796307(-3921)/mV 16 0 -4587 26718 0 V3
+P00280_E01.dat 16 45571.93509820666(-6710)/mV 16 0 -6970 48562 0 V4
+P00280_E01.dat 16 65614.0603493912(-2507)/mV 16 0 -2560 17556 0 V5
+P00280_E01.dat 16 29798.57239057239(1804)/mV 16 0 1828 40041 0 V6
+# Female 1076
+# Atrial septal defect (Ostium secundum defect )
+# Inversion+T-wave abnormality
diff --git "a/data/Child_ecg/P00/P00281\\P00281_E01.dat" "b/data/Child_ecg/P00/P00281\\P00281_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..ffc69b3d56194ca3617b47451c9c308dbeba6ab1
--- /dev/null
+++ "b/data/Child_ecg/P00/P00281\\P00281_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:009fcb6379de05b90bac1b4f490bec8deb675dc11ad8fc8ce3ea0d76732e9712
+size 360000
diff --git "a/data/Child_ecg/P00/P00281\\P00281_E01.hea" "b/data/Child_ecg/P00/P00281\\P00281_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..cc16f64a409fa0ffe1f57bdecfac79056b0b859b
--- /dev/null
+++ "b/data/Child_ecg/P00/P00281\\P00281_E01.hea"
@@ -0,0 +1,16 @@
+P00281_E01 12 500 15000
+P00281_E01.dat 16 76957.13996627319(11799)/mV 16 0 11549 11561 0 I
+P00281_E01.dat 16 41391.35880708294(-21924)/mV 16 0 -22160 54765 0 II
+P00281_E01.dat 16 38981.33602829712(-23350)/mV 16 0 -23445 50094 0 III
+P00281_E01.dat 16 74386.38975817923(18301)/mV 16 0 18603 4411 0 AVR
+P00281_E01.dat 16 59949.22573609596(20918)/mV 16 0 20918 63770 0 AVL
+P00281_E01.dat 16 41885.28009127211(-23804)/mV 16 0 -23974 10648 0 AVF
+P00281_E01.dat 16 38522.816199376946(-8615)/mV 16 0 -8646 43109 0 V1
+P00281_E01.dat 16 16135.327370304114(2466)/mV 16 0 2374 64844 0 V2
+P00281_E01.dat 16 17749.722760981174(-17574)/mV 16 0 -17747 41528 0 V3
+P00281_E01.dat 16 21632.739884393064(-18148)/mV 16 0 -18359 21301 0 V4
+P00281_E01.dat 16 32224.029822926375(-15884)/mV 16 0 -16146 16 0 V5
+P00281_E01.dat 16 41174.92002037697(-13034)/mV 16 0 -13269 29040 0 V6
+# Male 4351
+# Atrial septal defect
+# Supraventricular tachycardia;Elevation+ST deviation
diff --git "a/data/Child_ecg/P00/P00282\\P00282_E01.dat" "b/data/Child_ecg/P00/P00282\\P00282_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..c20303b11f657b06c16f50f7c9846681b8cc057c
--- /dev/null
+++ "b/data/Child_ecg/P00/P00282\\P00282_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7d7e154a8d20f1656d0515c17c27124b38ae699f796d60fcae0eea217099ee94
+size 360000
diff --git "a/data/Child_ecg/P00/P00282\\P00282_E01.hea" "b/data/Child_ecg/P00/P00282\\P00282_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..9b54e7511821d7fd8b8d99a24a07fe2835d56c71
--- /dev/null
+++ "b/data/Child_ecg/P00/P00282\\P00282_E01.hea"
@@ -0,0 +1,16 @@
+P00282_E01 12 500 15000
+P00282_E01.dat 16 58023.56363636364(-1602)/mV 16 0 -1602 5494 0 I
+P00282_E01.dat 16 42661.591078066915(-10353)/mV 16 0 -10422 11243 0 II
+P00282_E01.dat 16 55322.94736842105(-16343)/mV 16 0 -16433 48467 0 III
+P00282_E01.dat 16 55979.60633172746(6949)/mV 16 0 6949 12520 0 AVR
+P00282_E01.dat 16 74048.1136767318(7945)/mV 16 0 8005 11895 0 AVL
+P00282_E01.dat 16 50788.85336689742(-13064)/mV 16 0 -13147 61296 0 AVF
+P00282_E01.dat 16 44018.794841735056(3901)/mV 16 0 3579 29844 0 V1
+P00282_E01.dat 16 20957.344320188346(2005)/mV 16 0 1903 12651 0 V2
+P00282_E01.dat 16 19026.087994034304(-7851)/mV 16 0 -7897 38512 0 V3
+P00282_E01.dat 16 13879.262690980779(-5266)/mV 16 0 -5379 7052 0 V4
+P00282_E01.dat 16 3073.7482926829266(-8153)/mV 16 0 -8158 40036 0 V5
+P00282_E01.dat 16 4919.834833245103(3536)/mV 16 0 3528 51692 0 V6
+# Male 1067
+# Acute myocarditis
+# Junctional escape complex(es);Second-degree AV block, Mobitz type I(Wenckebach);AV block, varying conduction;AV block, advanced (high-grade)
diff --git "a/data/Child_ecg/P00/P00283\\P00283_E01.dat" "b/data/Child_ecg/P00/P00283\\P00283_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..06d62bfd705e44aff85419d3ed1a9fe3b4e95c76
--- /dev/null
+++ "b/data/Child_ecg/P00/P00283\\P00283_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:68b0418b5a4b9e0c8fb85f99ec7e125e608eebfbac6ccfbe664f6f6700e1d252
+size 240000
diff --git "a/data/Child_ecg/P00/P00283\\P00283_E01.hea" "b/data/Child_ecg/P00/P00283\\P00283_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..2d35abf1798c1e316096c37c22eb814ca755394b
--- /dev/null
+++ "b/data/Child_ecg/P00/P00283\\P00283_E01.hea"
@@ -0,0 +1,16 @@
+P00283_E01 12 500 10000
+P00283_E01.dat 16 42769.34876033058(17771)/mV 16 0 17806 15239 0 I
+P00283_E01.dat 16 46975.53318745441(-1320)/mV 16 0 -1320 44962 0 II
+P00283_E01.dat 16 36043.481898632344(-21829)/mV 16 0 -21858 20550 0 III
+P00283_E01.dat 16 52641.091134531925(-12037)/mV 16 0 -12037 17241 0 AVR
+P00283_E01.dat 16 42566.148031496065(20025)/mV 16 0 20060 189 0 AVL
+P00283_E01.dat 16 51688.11097099622(-22760)/mV 16 0 -22760 36774 0 AVF
+P00283_E01.dat 16 43938.15911379657(-22115)/mV 16 0 -22222 1267 0 V1
+P00283_E01.dat 16 13163.022426682(11941)/mV 16 0 11941 35894 0 V2
+P00283_E01.dat 16 22249.77883472057(3780)/mV 16 0 3780 57080 0 V3
+P00283_E01.dat 16 29367.97288135593(1075)/mV 16 0 1051 64505 0 V4
+P00283_E01.dat 16 51481.98154719659(2652)/mV 16 0 2610 38005 0 V5
+P00283_E01.dat 16 62892.39967506093(5036)/mV 16 0 4985 43686 0 V6
+# Female 3842
+# Ventricular septal defect;Patent ductus arteriosus
+# Abnormal Q wave
diff --git "a/data/Child_ecg/P00/P00284\\P00284_E01.dat" "b/data/Child_ecg/P00/P00284\\P00284_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..1add1906f960378d5e209378084e33fecac8da7b
--- /dev/null
+++ "b/data/Child_ecg/P00/P00284\\P00284_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:243dfa2de69b830b0b6332f2f3e15e87c5cdaabd7c5a7a3a2109ce394b27e554
+size 240000
diff --git "a/data/Child_ecg/P00/P00284\\P00284_E01.hea" "b/data/Child_ecg/P00/P00284\\P00284_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..ec17b9ae2cd2922deadad69de983c9f4dc8b1da9
--- /dev/null
+++ "b/data/Child_ecg/P00/P00284\\P00284_E01.hea"
@@ -0,0 +1,16 @@
+P00284_E01 12 500 10000
+P00284_E01.dat 16 34751.62278978389(1781)/mV 16 0 1753 29660 0 I
+P00284_E01.dat 16 80557.55932203389(-4918)/mV 16 0 -4984 10867 0 II
+P00284_E01.dat 16 45312.0(-9403)/mV 16 0 -9403 55715 0 III
+P00284_E01.dat 16 53407.60378732702(3038)/mV 16 0 3081 13058 0 AVR
+P00284_E01.dat 16 40183.462288353(5474)/mV 16 0 5474 32604 0 AVL
+P00284_E01.dat 16 98704.29731589815(-15260)/mV 16 0 -15260 35458 0 AVF
+P00284_E01.dat 16 91314.9837556855(-15612)/mV 16 0 -15686 47172 0 V1
+P00284_E01.dat 16 26698.563106796115(10201)/mV 16 0 10201 24152 0 V2
+P00284_E01.dat 16 26014.912909203213(8364)/mV 16 0 8364 9141 0 V3
+P00284_E01.dat 16 26874.364779874213(616)/mV 16 0 616 5039 0 V4
+P00284_E01.dat 16 29011.72932330827(-2622)/mV 16 0 -2575 8126 0 V5
+P00284_E01.dat 16 45743.91794871795(-6634)/mV 16 0 -6634 1483 0 V6
+# Male 5216
+# Atrial septal defect (Foramen ovale)
+# Incomplete right bundle-branch block
diff --git "a/data/Child_ecg/P00/P00285\\P00285_E01.dat" "b/data/Child_ecg/P00/P00285\\P00285_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..c230355098905285611367d778d78075f6956de8
--- /dev/null
+++ "b/data/Child_ecg/P00/P00285\\P00285_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fc16cd70541b3bbf32b91c4ff9d577394573563334fb063812cab1991ec77212
+size 240000
diff --git "a/data/Child_ecg/P00/P00285\\P00285_E01.hea" "b/data/Child_ecg/P00/P00285\\P00285_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..4521469d754e0812c6106e862419b61da7e01eb9
--- /dev/null
+++ "b/data/Child_ecg/P00/P00285\\P00285_E01.hea"
@@ -0,0 +1,16 @@
+P00285_E01 12 500 10000
+P00285_E01.dat 16 36219.48562126967(-16470)/mV 16 0 -16470 41225 0 I
+P00285_E01.dat 16 35984.983081032944(-22901)/mV 16 0 -22901 52729 0 II
+P00285_E01.dat 16 175869.75259377493(-19317)/mV 16 0 -19317 28288 0 III
+P00285_E01.dat 16 36436.17391304348(19610)/mV 16 0 19610 15315 0 AVR
+P00285_E01.dat 16 69093.61613144138(-10180)/mV 16 0 -10180 43471 0 AVL
+P00285_E01.dat 16 65233.27211646137(-25656)/mV 16 0 -25656 61898 0 AVF
+P00285_E01.dat 16 22617.42972816657(5422)/mV 16 0 5422 5558 0 V1
+P00285_E01.dat 16 30740.07843137255(915)/mV 16 0 915 17969 0 V2
+P00285_E01.dat 16 21908.65761689291(-18582)/mV 16 0 -18582 11474 0 V3
+P00285_E01.dat 16 22145.620253164558(-22516)/mV 16 0 -22498 2198 0 V4
+P00285_E01.dat 16 26601.568455640743(-20908)/mV 16 0 -20908 47130 0 V5
+P00285_E01.dat 16 30527.204262877443(-20179)/mV 16 0 -20154 7335 0 V6
+# Female 4440
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00285\\P00285_E02.dat" "b/data/Child_ecg/P00/P00285\\P00285_E02.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..06f80def09b1a872a2f752da92fde3cba1f1a47a
--- /dev/null
+++ "b/data/Child_ecg/P00/P00285\\P00285_E02.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8168483387fa9496d4f51c7ac5fea08dd4f35cb45a90cbde5dc5e482a007ec5
+size 240000
diff --git "a/data/Child_ecg/P00/P00285\\P00285_E02.hea" "b/data/Child_ecg/P00/P00285\\P00285_E02.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..ef03bdfe382f80d7a8f6066c310cd12fe567318b
--- /dev/null
+++ "b/data/Child_ecg/P00/P00285\\P00285_E02.hea"
@@ -0,0 +1,16 @@
+P00285_E02 12 500 10000
+P00285_E02.dat 16 44463.590942293646(-17906)/mV 16 0 -17906 8252 0 I
+P00285_E02.dat 16 36796.92340200739(-24264)/mV 16 0 -24204 6842 0 II
+P00285_E02.dat 16 113471.11791730474(-23722)/mV 16 0 -23630 11680 0 III
+P00285_E02.dat 16 40918.43542435424(21378)/mV 16 0 21345 38167 0 AVR
+P00285_E02.dat 16 96363.90420436402(-10664)/mV 16 0 -10664 37861 0 AVL
+P00285_E02.dat 16 58435.95152914022(-26586)/mV 16 0 -26491 6252 0 AVF
+P00285_E02.dat 16 28428.60813704497(6128)/mV 16 0 6105 29266 0 V1
+P00285_E02.dat 16 25515.696238466997(2342)/mV 16 0 2321 15023 0 V2
+P00285_E02.dat 16 24283.22940776038(-15349)/mV 16 0 -15290 41202 0 V3
+P00285_E02.dat 16 23950.607608129234(-21546)/mV 16 0 -21546 31018 0 V4
+P00285_E02.dat 16 28805.899249732047(-19644)/mV 16 0 -19527 59412 0 V5
+P00285_E02.dat 16 36833.860191317144(-20546)/mV 16 0 -20516 9635 0 V6
+# Female 4441
+# Atrial septal defect (Foramen ovale)
+# Sinus tachycardia
diff --git "a/data/Child_ecg/P00/P00286\\P00286_E01.dat" "b/data/Child_ecg/P00/P00286\\P00286_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..c31f6514f914cb75d1df6e209888a7c7aabdcde1
--- /dev/null
+++ "b/data/Child_ecg/P00/P00286\\P00286_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3f4e00fc51096586b8a2a95e4e3070d2a7cc161d059a05dcd61e7b00746fb5a
+size 360000
diff --git "a/data/Child_ecg/P00/P00286\\P00286_E01.hea" "b/data/Child_ecg/P00/P00286\\P00286_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..fdfee2a0eb3b473884c40be14476d36166cc1da4
--- /dev/null
+++ "b/data/Child_ecg/P00/P00286\\P00286_E01.hea"
@@ -0,0 +1,16 @@
+P00286_E01 12 500 15000
+P00286_E01.dat 16 81860.76644974692(-5127)/mV 16 0 -5194 11048 0 I
+P00286_E01.dat 16 48414.9616519174(-16739)/mV 16 0 -16818 16902 0 II
+P00286_E01.dat 16 68109.64813404417(-10934)/mV 16 0 -10989 47328 0 III
+P00286_E01.dat 16 67089.89718985607(15028)/mV 16 0 15083 18886 0 AVR
+P00286_E01.dat 16 158598.23781676413(6960)/mV 16 0 6960 53882 0 AVL
+P00286_E01.dat 16 56665.95635816403(-14381)/mV 16 0 -14427 12981 0 AVF
+P00286_E01.dat 16 80234.05159332322(18868)/mV 16 0 18868 2131 0 V1
+P00286_E01.dat 16 30227.965631196297(11896)/mV 16 0 11896 13336 0 V2
+P00286_E01.dat 16 30523.30420445177(3390)/mV 16 0 3365 1191 0 V3
+P00286_E01.dat 16 32038.907779495104(-2402)/mV 16 0 -2454 40968 0 V4
+P00286_E01.dat 16 38621.82848620432(-7478)/mV 16 0 -7541 39529 0 V5
+P00286_E01.dat 16 51216.57689477557(-15774)/mV 16 0 -15857 28812 0 V6
+# Female 5058
+# Atrial septal defect (Foramen ovale)
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00287\\P00287_E01.dat" "b/data/Child_ecg/P00/P00287\\P00287_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..d38096987c9121849fd679fbcd9655afe0638b71
--- /dev/null
+++ "b/data/Child_ecg/P00/P00287\\P00287_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2869fdef7c4fd98716797ed84b0f4e827f76ee3ddd992274f1ffdb7984ce895d
+size 360000
diff --git "a/data/Child_ecg/P00/P00287\\P00287_E01.hea" "b/data/Child_ecg/P00/P00287\\P00287_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..dc4293d82793675c9713fedb8246b90bc44281b3
--- /dev/null
+++ "b/data/Child_ecg/P00/P00287\\P00287_E01.hea"
@@ -0,0 +1,16 @@
+P00287_E01 12 500 15000
+P00287_E01.dat 16 103677.37628111274(-15479)/mV 16 0 -15563 40508 0 I
+P00287_E01.dat 16 43962.00140944327(-25152)/mV 16 0 -25295 57513 0 II
+P00287_E01.dat 16 60664.46002805049(-27487)/mV 16 0 -27635 46091 0 III
+P00287_E01.dat 16 64138.8523301516(23010)/mV 16 0 23167 13013 0 AVR
+P00287_E01.dat 16 141573.0342316096(14689)/mV 16 0 14689 35419 0 AVL
+P00287_E01.dat 16 51707.30275229358(-26919)/mV 16 0 -27045 24376 0 AVF
+P00287_E01.dat 16 67022.1711299804(17336)/mV 16 0 17445 23251 0 V1
+P00287_E01.dat 16 39950.05004035513(15571)/mV 16 0 15571 48548 0 V2
+P00287_E01.dat 16 46096.591056383666(-15402)/mV 16 0 -15515 30878 0 V3
+P00287_E01.dat 16 32319.375843960992(-22249)/mV 16 0 -22380 13175 0 V4
+P00287_E01.dat 16 32843.50230414746(-24937)/mV 16 0 -25071 49963 0 V5
+P00287_E01.dat 16 37211.26487625066(-24141)/mV 16 0 -24262 35551 0 V6
+# Female 5083
+# Atrial septal defect (Foramen ovale)
+# Otherwise normal ECG;Sinus arrhythmia
diff --git "a/data/Child_ecg/P00/P00288\\P00288_E01.dat" "b/data/Child_ecg/P00/P00288\\P00288_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..d471f32a8fb41056df9b087d75275df7bc9bc519
--- /dev/null
+++ "b/data/Child_ecg/P00/P00288\\P00288_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9fa6b9215c6565eabf6bb8c34615b1367177c559dbee1ad5b2252f129af77b52
+size 360000
diff --git "a/data/Child_ecg/P00/P00288\\P00288_E01.hea" "b/data/Child_ecg/P00/P00288\\P00288_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..ed3c6920d22a0f55e06ea9c78d5bf7fd5c937cb0
--- /dev/null
+++ "b/data/Child_ecg/P00/P00288\\P00288_E01.hea"
@@ -0,0 +1,16 @@
+P00288_E01 12 500 15000
+P00288_E01.dat 16 37007.75694080671(-15519)/mV 16 0 -15549 698 0 I
+P00288_E01.dat 16 31796.586367880485(-16139)/mV 16 0 -16217 6144 0 II
+P00288_E01.dat 16 52549.981728742096(3746)/mV 16 0 3661 43204 0 III
+P00288_E01.dat 16 35928.981079187106(17302)/mV 16 0 17360 29746 0 AVR
+P00288_E01.dat 16 58593.75868603917(-10122)/mV 16 0 -10122 59823 0 AVL
+P00288_E01.dat 16 44500.67692307692(-10169)/mV 16 0 -10278 14740 0 AVF
+P00288_E01.dat 16 31497.768178545717(9958)/mV 16 0 9907 18108 0 V1
+P00288_E01.dat 16 20578.145420207744(9796)/mV 16 0 9729 54632 0 V2
+P00288_E01.dat 16 20546.71954674221(9731)/mV 16 0 9664 64141 0 V3
+P00288_E01.dat 16 16831.298758217676(-10265)/mV 16 0 -10292 7386 0 V4
+P00288_E01.dat 16 14666.138966092274(-19884)/mV 16 0 -19944 43265 0 V5
+P00288_E01.dat 16 20136.074261603375(-21116)/mV 16 0 -21165 11643 0 V6
+# Male 2378
+# Myocarditis
+# Sinus arrhythmia;Sinoatrial node to atrial internal migratory rhythm;Ectopic atrial tachycardia, unifocal
diff --git "a/data/Child_ecg/P00/P00289\\P00289_E01.dat" "b/data/Child_ecg/P00/P00289\\P00289_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..0e0200cd6904cf2fde409d4ae97ebdaa4c0fe650
--- /dev/null
+++ "b/data/Child_ecg/P00/P00289\\P00289_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f363131e0a72573b698c0b72396eb3af3a5a7aa2394e973a881eef908f93e463
+size 360000
diff --git "a/data/Child_ecg/P00/P00289\\P00289_E01.hea" "b/data/Child_ecg/P00/P00289\\P00289_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..3ce0bba85ea41f7ea63f7ac193a99fe15819a296
--- /dev/null
+++ "b/data/Child_ecg/P00/P00289\\P00289_E01.hea"
@@ -0,0 +1,16 @@
+P00289_E01 12 500 15000
+P00289_E01.dat 16 41596.66486972148(-21464)/mV 16 0 -21295 648 0 I
+P00289_E01.dat 16 58573.05082669933(-21091)/mV 16 0 -21091 52771 0 II
+P00289_E01.dat 16 89683.27214170693(8024)/mV 16 0 7659 2085 0 III
+P00289_E01.dat 16 50871.77142857143(22874)/mV 16 0 22791 9775 0 AVR
+P00289_E01.dat 16 58573.00551931761(-18517)/mV 16 0 -18279 1317 0 AVL
+P00289_E01.dat 16 94683.22651933701(-7663)/mV 16 0 -7817 43087 0 AVF
+P00289_E01.dat 16 14317.549549549549(16897)/mV 16 0 16932 36877 0 V1
+P00289_E01.dat 16 19501.72804816859(5189)/mV 16 0 5157 1711 0 V2
+P00289_E01.dat 16 27435.267605633802(-9940)/mV 16 0 -10119 65342 0 V3
+P00289_E01.dat 16 22201.830678960603(-19834)/mV 16 0 -19978 9356 0 V4
+P00289_E01.dat 16 27685.71742715778(-20472)/mV 16 0 -20630 63747 0 V5
+P00289_E01.dat 16 15209.411764705883(-19637)/mV 16 0 -20058 47744 0 V6
+# Female 1961
+# Ventricular septal defect
+# Normal ECG
diff --git "a/data/Child_ecg/P00/P00290\\P00290_E01.dat" "b/data/Child_ecg/P00/P00290\\P00290_E01.dat"
new file mode 100644
index 0000000000000000000000000000000000000000..7609f93ffa1c44bf54b6acab71422d29eba41e93
--- /dev/null
+++ "b/data/Child_ecg/P00/P00290\\P00290_E01.dat"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cba2da792846fa3292b513808933d0c0386e5eaa743c84fed7517e1592cb6219
+size 240000
diff --git "a/data/Child_ecg/P00/P00290\\P00290_E01.hea" "b/data/Child_ecg/P00/P00290\\P00290_E01.hea"
new file mode 100644
index 0000000000000000000000000000000000000000..cfb0d47535d4f6318349cfc400ea9789b58d0bf3
--- /dev/null
+++ "b/data/Child_ecg/P00/P00290\\P00290_E01.hea"
@@ -0,0 +1,16 @@
+P00290_E01 12 500 10000
+P00290_E01.dat 16 32289.798145117293(-18317)/mV 16 0 -18291 39008 0 I
+P00290_E01.dat 16 20930.16425120773(-24305)/mV 16 0 -24271 14963 0 II
+P00290_E01.dat 16 31694.189452124934(-17655)/mV 16 0 -17629 25318 0 III
+P00290_E01.dat 16 26823.781338360037(22819)/mV 16 0 22775 52262 0 AVR
+P00290_E01.dat 16 67460.42799678197(-12295)/mV 16 0 -12295 35880 0 AVL
+P00290_E01.dat 16 25907.39092604102(-22590)/mV 16 0 -22548 62046 0 AVF
+P00290_E01.dat 16 14503.259528130671(14057)/mV 16 0 14057 8886 0 V1
+P00290_E01.dat 16 27868.0(2068)/mV 16 0 2159 46601 0 V2
+P00290_E01.dat 16 10468.803289924606(-25309)/mV 16 0 -25266 9447 0 V3
+P00290_E01.dat 16 13677.237785016287(-24566)/mV 16 0 -24521 27918 0 V4
+P00290_E01.dat 16 20148.54448017149(-23588)/mV 16 0 -23539 52977 0 V5
+P00290_E01.dat 16 28314.016260162603(-22564)/mV 16 0 -22541 31770 0 V6
+# Male 3480
+# Otherwise diseases
+# Otherwise normal ECG