Condition
stringclasses
232 values
Variant
stringlengths
14
869
Procedure
stringclasses
948 values
Appropriateness Category
stringclasses
4 values
SOE
stringclasses
6 values
References
stringlengths
18
2.57k
Adult RRL (scale)
int64
0
5
Adult RRL (dosage)
stringclasses
6 values
Peds RRL (scale)
int64
0
5
Peds RRL (dosage)
stringclasses
6 values
Rating
int64
1
9
Median
float64
1
9
Assessment - 1
int64
0
24
Assessment - 2
int64
0
14
Assessment - 3
int64
0
13
Assessment - 4
int64
0
15
Assessment - 5
int64
0
19
Assessment - 6
int64
0
13
Assessment - 7
int64
0
20
Assessment - 8
int64
0
13
Assessment - 9
int64
0
20
__index_level_0__
int64
1
12.2k
Suspected Spine Trauma-Child
Child, 3 to 16 years of age, acute cervical spine trauma, meets low risk criteria (based on PECARN or NEXUS). Initial imaging.
Radiography cervical spine
Usually not appropriate
Limited
{"References": [{"PMID": 20433260, "Study Quality": "4"}]}
2
1-1mSv
2
3 mSv
2
2
10
6
4
2
1
0
0
0
1
8,203
Malignant or Aggressive Primary Musculoskeletal Tumor-Staging And Surveillance
Malignant or aggressive primary musculoskeletal tumor with no suspected or known recurrence. Surveillance for pulmonary metastasis.
FDG-PET/CT whole body
May be appropriate
Limited
{"References": [{"PMID": 22745027, "Study Quality": "2"}, {"PMID": 22134535, "Study Quality": "3"}]}
4
10-30 mSv
4
3-10 mSv
5
5
0
0
0
1
13
1
1
0
0
2,698
Cerebrovascular Diseases-Stroke and Stroke-Related Conditions
Adult. Recent ischemic infarct; greater than 24 hours. Initial imaging.
US duplex Doppler carotid artery
May be appropriate
Strong
{"References": [{"PMID": 29522870, "Study Quality": "2"}, {"PMID": 16679163, "Study Quality": "M"}, {"PMID": 10219418, "Study Quality": "2"}, {"PMID": 31662037, "Study Quality": "4"}, {"PMID": 34024117, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
6
6
0
0
0
1
5
11
2
0
0
9,838
Cranial Neuropathy
Multiple different lower cranial nerve palsies or combined lower cranial nerve syndromes (CN IX-XII). Initial imaging.
CT head without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 25769354, "Study Quality": "4"}, {"PMID": 6308990, "Study Quality": "4"}, {"PMID": 10871029, "Study Quality": "4"}, {"PMID": 14736665, "Study Quality": "4"}, {"PMID": 19568338, "Study Quality": "4"}]}
3
1-10 mSv
4
3-10 mSv
1
1
14
2
1
0
2
0
1
0
0
6,535
Low Back Pain
Acute low back pain with or without radiculopathy. No red flags. No prior management. Initial imaging.
Radiography lumbar spine
Usually not appropriate
Strong
{"References": [{"PMID": 21282698, "Study Quality": "4"}, {"PMID": 12783911, "Study Quality": "1"}, {"PMID": 16244269, "Study Quality": "1"}, {"PMID": 25781443, "Study Quality": "3"}, {"PMID": 23910019, "Study Quality": "2"}]}
3
1-10 mSv
2
3 mSv
1
1
15
2
4
1
0
0
0
0
0
5,211
Chronic Ankle Pain
Chronic ankle pain. Ankle radiographs normal or nonspecific, suspected ankle instability. Next study.
MRI ankle without IV contrast
Usually appropriate
Limited
{"References": [{"PMID": 15256624, "Study Quality": "4"}, {"PMID": 12616009, "Study Quality": "3"}, {"PMID": 14743024, "Study Quality": "3"}, {"PMID": 11128010, "Study Quality": "4"}, {"PMID": 25539277, "Study Quality": "3"}, {"PMID": 22078461, "Study Quality": "3"}, {"PMID": 20483139, "Study Quality": "3"}, {"PMID": 1...
0
0 mSv
0
0 mSv
9
9
0
0
0
0
0
0
0
0
0
2,260
Chronic Chest Pain—High Probability of Coronary Artery Disease
Chronic chest pain; high probability of coronary artery disease. No known ischemic heart disease. Initial imaging.
MRA coronary arteries without and with IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 17112982, "Study Quality": "3"}]}
0
0 mSv
0
0 mSv
3
3
2
5
8
1
0
0
0
0
0
1,775
Staging and Follow-up of Esophageal Cancer
Esophageal cancer. Posttreatment imaging. Suspected or known recurrence.
CT chest abdomen pelvis with IV contrast
May be appropriate (Disagreement)
Expert Opinion
{"References": [{"PMID": 24435775, "Study Quality": "2"}]}
4
10-30 mSv
4
3-10 mSv
5
5
1
0
1
2
6
2
3
3
0
11,400
Suspected Osteomyelitis of the Foot in Patients with Diabetes Mellitus
Soft-tissue swelling with ulcer. Suspected osteomyelitis of the foot in patients with diabetes mellitus with or without neuropathic arthropathy. Additional imaging following radiographs.
WBC scan and sulfur colloid scan foot
Usually not appropriate
Limited
{"References": [{"PMID": 17127204, "Study Quality": "4"}, {"PMID": 9476948, "Study Quality": "3"}]}
4
10-30 mSv
0
null
2
2
6
2
1
1
2
0
0
0
0
93
Workup of Pleural Effusion or Pleural Disease
Recent minor blunt trauma with suspected pleural effusion. Initial imaging.
Image-guided aspiration chest
Usually not appropriate
Expert Consensus
{"References": []}
0
null
0
null
1
1
10
2
1
0
0
0
0
0
0
11,207
Dementia
Suspected vascular dementia. Initial imaging.
CT head without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 23043907, "Study Quality": "4"}]}
3
1-10 mSv
4
3-10 mSv
1
1
13
2
1
0
0
0
0
0
0
9,553
Low Back Pain
Subacute or chronic low back pain with or without radiculopathy. Surgery or intervention candidate with persistent or progressive symptoms during or following 6 weeks of optimal medical management. Initial imaging.
MRI lumbar spine without and with IV contrast
May be appropriate
Expert Consensus
{"References": [{"PMID": 27387155, "Study Quality": "4"}, {"PMID": 28847557, "Study Quality": "2"}, {"PMID": 28377243, "Study Quality": "2"}, {"PMID": 26550787, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
5
5
1
1
0
3
15
2
0
0
0
5,235
Hydronephrosis on Prior Imaging-Unknown Cause
Adult. Asymptomatic unilateral hydronephrosis with unknown cause. Initial imaging.
CT abdomen and pelvis without IV contrast
May be appropriate
Expert Consensus
{"References": [{"PMID": 31237781, "Study Quality": "2"}, {"PMID": 8917195, "Study Quality": "4"}, {"PMID": 24591488, "Study Quality": "4"}, {"PMID": 25444983, "Study Quality": "2"}]}
3
1-10 mSv
4
3-10 mSv
4
4
0
1
1
8
5
0
0
0
0
12,092
Cerebrovascular Diseases-Aneurysm, Vascular Malformation, and Subarachnoid Hemorrhage
Known cerebral aneurysm; previously treated. Surveillance monitoring.
US duplex Doppler transcranial
Usually not appropriate
Expert Consensus
{"References": []}
0
0 mSv
0
0 mSv
1
1
17
0
0
1
0
0
0
0
0
10,080
Acutely Limping Child Up To Age 5
Child up to age 5. Acute limp. Pain. Localized symptoms. No concern for infection. Initial imaging.
MRI lower extremity area of interest without and with IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 17566800, "Study Quality": "4"}, {"PMID": 16741713, "Study Quality": "4"}, {"PMID": 24609825, "Study Quality": "4"}, {"PMID": 19995859, "Study Quality": "2"}, {"PMID": 22764042, "Study Quality": "4"}, {"PMID": 26122807, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
9
3
0
1
1
2
0
0
0
714
Post-Treatment Follow-up of Prostate Cancer
Metastatic prostate cancer treated by systemic therapy (androgen deprivation therapy [ADT], chemotherapy, immunotherapy). Follow-up.
Choline PET/CT skull base to mid-thigh
Usually appropriate
Strong
{"References": [{"PMID": 26768648, "Study Quality": "2"}, {"PMID": 25808631, "Study Quality": "3"}, {"PMID": 25504434, "Study Quality": "1"}, {"PMID": 26323576, "Study Quality": "3"}, {"PMID": 23486334, "Study Quality": "M"}, {"PMID": 23628493, "Study Quality": "M"}]}
3
1-10 mSv
0
null
7
7
0
0
0
1
2
5
3
5
0
1,076
Management of Vertebral Compression Fractures
New symptomatic vertebral compression fracture (VCF) identified on radiographs. No known malignancy. Next imaging study.
Bone scan whole body
May be appropriate
Strong
{"References": [{"PMID": 21165311, "Study Quality": "3"}, {"PMID": 26364958, "Study Quality": "3"}, {"PMID": 18349795, "Study Quality": "2"}, {"PMID": 20706042, "Study Quality": "3"}, {"PMID": 22927151, "Study Quality": "3"}]}
3
1-10 mSv
4
3-10 mSv
5
5
1
0
2
6
8
3
0
0
0
6,569
Cerebrovascular Diseases-Stroke and Stroke-Related Conditions
Adult. Known intraparenchymal hemorrhage. No history of trauma. Follow-up imaging study.
MRA head without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 34794589, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
2
2
7
4
8
0
0
0
0
0
0
9,883
Clinically Suspected Adnexal Mass, No Acute Symptoms
Adult female. Adnexal mass, likely benign, no acute symptoms. Premenopausal. Follow-up imaging.
MRI pelvis without and with IV contrast
May be appropriate
Limited
{"References": [{"PMID": 31482379, "Study Quality": "3"}, {"PMID": 35040672, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
4
4
1
0
0
8
5
1
1
0
0
4,156
Acute Hand and Wrist Trauma
Suspect acute hand or wrist trauma. Initial radiographs negative or equivocal. Next imaging study.
CT area of interest with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
0
null
0
null
1
1
11
2
1
0
0
0
0
0
0
2,015
Lower Extremity Arterial Claudication-Imaging Assessment for Revascularization
Lower extremity arterial claudication-imaging assessment for revascularization. Initial imaging.
MRA lower extremity without and with IV contrast
May be appropriate
Strong
{"References": [{"PMID": 23801421, "Study Quality": "M"}, {"PMID": 22109304, "Study Quality": "2"}, {"PMID": 25241315, "Study Quality": "4"}, {"PMID": 10887229, "Study Quality": "M"}, {"PMID": 12239057, "Study Quality": "3"}, {"PMID": 21098208, "Study Quality": "4"}, {"PMID": 16864668, "Study Quality": "1"}, {"PMID": 9...
0
0 mSv
0
0 mSv
6
6
0
0
0
0
4
8
4
1
0
1,885
Stage I Breast Cancer: Initial Workup and Surveillance for Local Recurrence and Distant Metastases in Asymptomatic Women
Surveillance. Stage I breast cancer. Asymptomatic. Rule out bone, thoracic, abdominal, and brain metastases. Initial imaging.
Bone scan whole body
Usually not appropriate
Limited
{"References": [{"PMID": 23601761, "Study Quality": "4"}, {"PMID": 26314782, "Study Quality": "4"}, {"PMID": -3146467, "Study Quality": "4"}, {"PMID": -3146470, "Study Quality": "4"}]}
3
1-10 mSv
4
3-10 mSv
1
null
0
0
0
0
0
0
0
0
0
6,004
Inflammatory Back Pain: Known or Suspected Axial Spondyloarthropathy
Known axial spondyloarthritis. Follow-up for treatment response or disease progression.
MRI sacroiliac joints without IV contrast
May be appropriate
Strong
{"References": [{"PMID": 19446974, "Study Quality": "2"}, {"PMID": 20032094, "Study Quality": "3"}, {"PMID": 23418080, "Study Quality": "4"}, {"PMID": 31436026, "Study Quality": "4"}, {"PMID": 28749173, "Study Quality": "2"}, {"PMID": 28593478, "Study Quality": "3"}, {"PMID": 25837448, "Study Quality": "4"}, {"PMID": 2...
0
0 mSv
0
0 mSv
6
6
0
1
0
1
4
2
3
2
2
7,407
Hearing Loss and/or Vertigo
Episodic vertigo with or without associated hearing loss or aural fullness (peripheral vertigo). Initial imaging.
MRA head and neck without and with IV contrast
May be appropriate
Limited
{"References": [{"PMID": 10459295, "Study Quality": "3"}]}
0
0 mSv
0
0 mSv
4
4
1
2
3
5
2
2
0
0
0
5,676
Stage I Breast Cancer: Initial Workup and Surveillance for Local Recurrence and Distant Metastases in Asymptomatic Women
Surveillance. Stage I breast cancer. Asymptomatic. Rule out local recurrence.
Mammography screening
Usually appropriate
Limited
{"References": [{"PMID": 17548838, "Study Quality": "4"}, {"PMID": 16409580, "Study Quality": "4"}, {"PMID": 18368477, "Study Quality": "4"}, {"PMID": 17033037, "Study Quality": "4"}, {"PMID": -3146467, "Study Quality": "4"}, {"PMID": 22692036, "Study Quality": "3"}, {"PMID": 18206623, "Study Quality": "0"}]}
2
1-1mSv
0
null
8
8
0
0
0
0
0
0
0
0
0
6,018
Hematuria-Child
Child. Traumatic hematuria (macroscopic). Initial imaging.
Fluoroscopy retrograde urethrography
May be appropriate
Limited
{"References": [{"PMID": 8632293, "Study Quality": "4"}]}
3
1-10 mSv
3
3-3 mSv
6
6
0
0
0
0
0
0
0
0
0
3,244
Penetrating Trauma-Lower Abdomen and Pelvis
Penetrating trauma, lower abdomen and pelvis. Suspected lower urinary tract trauma. Initial imaging.
Radiography intravenous urography
Usually not appropriate
Limited
{"References": [{"PMID": -3091864, "Study Quality": "4"}]}
3
1-10 mSv
3
3-3 mSv
2
2
0
0
0
0
0
0
0
0
0
1,488
Low Back Pain
Low back pain with or without radiculopathy. One or more of the following
CT myelography lumbar spine
May be appropriate
Limited
{"References": [{"PMID": 12637281, "Study Quality": "3"}]}
4
10-30 mSv
0
null
5
5
0
0
1
4
15
1
1
0
0
5,270
Acute Pancreatitis
Acute pancreatitis. Known pancreatic or peripancreatic fluid collections with continued abdominal pain, early satiety, nausea, vomiting, or signs of infection. Greater than 4 weeks after symptom onset.
CT abdomen and pelvis with IV contrast
Usually appropriate
Limited
{"References": [{"PMID": 25425489, "Study Quality": "2"}]}
3
1-10 mSv
4
3-10 mSv
9
9
0
0
0
0
0
1
2
5
10
4,313
Staging and Post-Therapy Assessment of Head and Neck Cancer
Treated cancer of a major salivary gland (parotid, submandibular, and sublingual glands). Surveillance imaging or follow-up imaging for suspected or known recurrence.
MRA neck without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 32113152, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
14
2
0
0
2
0
0
0
0
12,069
Acute Respiratory Illness in Immunocompetent Patients
Acute COPD exacerbation in immunocompetent patients with accompanying chest pain, fever, or leukocytosis, or a history of coronary artery disease, or heart failure. Initial imaging.
CT chest without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
4
3-10 mSv
3
3
4
0
3
0
3
1
0
0
0
3,576
Acute Respiratory Illness in Immunocompetent Patients
Acute respiratory illness in immunocompetent patients with negative physical examination, normal vital signs and no other risk factors. Initial imaging.
US chest
Usually not appropriate
Strong
{"References": [{"PMID": 24184011, "Study Quality": "3"}, {"PMID": 21030550, "Study Quality": "2"}, {"PMID": 25758182, "Study Quality": "2"}, {"PMID": 22700780, "Study Quality": "3"}]}
0
0 mSv
0
0 mSv
2
2
3
4
4
0
0
0
0
0
0
3,524
Imaging After Total Knee Arthroplasty
Pain after total knee arthroplasty. Infection excluded. Suspect aseptic loosening or osteolysis or instability. Additional imaging following radiographs.
CT knee without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 27468360, "Study Quality": "4"}, {"PMID": 11553828, "Study Quality": "4"}, {"PMID": 17448973, "Study Quality": "3"}, {"PMID": 16512924, "Study Quality": "3"}, {"PMID": -3195824, "Study Quality": "4"}, {"PMID": 15100514, "Study Quality": "2"}]}
1
1 mSv
2
3 mSv
1
1
10
1
0
0
0
0
0
0
0
2,759
Orbital Imaging and Vision Loss-Child
Child. Nontraumatic acute vision loss without papilledema. Initial imaging.
CT head and orbits without IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
3
3-3 mSv
2
2
7
4
2
2
0
0
1
0
0
10,889
Congenital or Acquired Heart Disease
Child. Suspected or confirmed congenital or acquired coronary artery abnormality. Incomplete or inadequate assessment of coronary morphology after transthoracic echocardiography. Next imaging study.
MRI heart function and morphology without IV contrast
Usually appropriate
Expert Consensus
{"References": [{"PMID": 33755749, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
7
7
0
0
0
1
5
4
7
3
0
8,862
Staging and Surveillance of Testicular Cancer
Surveillance of stage IA and IB pure seminoma testicular cancer. Diagnosed by orchiectomy. No clinical suspicion of recurrence.
MRI abdomen and pelvis without and with IV contrast
Usually appropriate
Strong
{"References": [{"PMID": 6539790, "Study Quality": "3"}, {"PMID": 16286125, "Study Quality": "2"}, {"PMID": 4023233, "Study Quality": "4"}, {"PMID": 1716204, "Study Quality": "4"}, {"PMID": 19264179, "Study Quality": "2"}, {"PMID": 23122041, "Study Quality": "4"}, {"PMID": 31177136, "Study Quality": "4"}, {"PMID": 3204...
0
0 mSv
0
0 mSv
7
7
0
0
0
0
1
2
3
4
1
1,437
Pretreatment Detection, Surveillance, and Staging of Prostate Cancer
Clinically suspected prostate cancer. Negative TRUS-guided biopsy. Initial diagnosis. Next imaging study.
Fluciclovine PET/CT skull base to mid-thigh
Usually not appropriate
Expert Consensus
{"References": []}
4
10-30 mSv
0
null
1
1
9
3
0
1
0
0
1
0
0
1,233
Radiologic Management of Thoracic Nodules and Masses
Young adult patient (20–35 years old) with 1.0-cm smooth-walled noncalcified lung nodule seen on CT after minor motor vehicle trauma. No known risk factors for lung cancer.
Follow-up imaging only
Usually appropriate
null
{"References": []}
0
null
0
null
8
null
0
0
0
0
0
0
0
0
0
185
Liver Lesion — Initial Characterization
Incidental liver lesion, greater than 1 cm on US, noncontrast or single-phase CT, or noncontrast MRI. Known chronic liver disease.
CT abdomen with IV contrast multiphase
Usually appropriate
Moderate
{"References": [{"PMID": 20098330, "Study Quality": "2"}, {"PMID": 23883211, "Study Quality": "3"}, {"PMID": 20806437, "Study Quality": "3"}]}
4
10-30 mSv
0
null
8
8
0
0
0
0
0
1
5
10
1
4,484
Chronic Hip Pain
Chronic hip pain with low back or knee pathology or pain. Radiographs demonstrate hip osteoarthritis. Want to quantify amount of pain related to the hip. Next imaging study.
US hip
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 22915391, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
13
0
1
0
1
0
0
0
0
2,465
Acute Pelvic Pain in the Reproductive Age Group
Acute pelvic pain in the reproductive age group. Gynecological etiology suspected, ß-hCG positive (either serum or urine). Initial imaging.
US pelvis transabdominal
Usually appropriate
Limited
{"References": [{"PMID": -3195244, "Study Quality": "4"}, {"PMID": 24901772, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
9
9
0
0
0
0
0
0
2
2
10
6,179
Dizziness and Ataxia
Adult. Chronic recurrent vertigo. Associated with other brainstem neurologic deficits. Initial imaging.
MRI head with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
0
0 mSv
0
0 mSv
1
1
16
1
0
1
1
0
0
0
0
4,696
Tinnitus
Nonpulsatile tinnitus, unilateral; no hearing loss, and no neurologic deficit, and no trauma. Initial imaging.
CTA head and neck with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
4
3-10 mSv
1
1
13
1
1
1
1
1
0
0
0
7,571
Pretreatment Detection, Surveillance, and Staging of Prostate Cancer
Clinically established high-risk prostate cancer. Staging.
MRI whole body without and with IV contrast
May be appropriate
Strong
{"References": [{"PMID": 26215604, "Study Quality": "M"}, {"PMID": 30519933, "Study Quality": "2"}, {"PMID": 28957842, "Study Quality": "2"}, {"PMID": 22109291, "Study Quality": "3"}, {"PMID": 15197809, "Study Quality": "3"}, {"PMID": 30382380, "Study Quality": "3"}]}
0
0 mSv
0
0 mSv
6
6
0
0
1
0
1
6
2
2
1
1,297
Orbital Imaging and Vision Loss-Child
Child. Traumatic visual loss. Suspected orbital injury. Initial imaging.
MRA head without IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 18936032, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
9
4
1
1
0
0
1
0
0
10,868
Imaging after Breast Surgery
Female. Age 40 years or older. Postsurgical excision with nonmalignant pathology. Asymptomatic. Initial imaging.
Sestamibi MBI
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
0
null
1
1
17
0
0
0
0
0
0
0
0
11,420
Palpable Abdominal Mass-Suspected Neoplasm
Palpable abdominal mass. Suspected intra-abdominal neoplasm. Initial imaging.
Fluoroscopy upper GI series
Usually not appropriate
Limited
{"References": [{"PMID": 23219189, "Study Quality": "3"}]}
3
1-10 mSv
3
3-3 mSv
2
2
3
6
3
1
0
0
0
0
0
4,532
Osteoporosis and Bone Mineral Density
Osteoporosis screening or initial imaging of clinically suspected low bone mineral density.
QUS calcaneus
Usually not appropriate
Limited
{"References": [{"PMID": 18442758, "Study Quality": "4"}, {"PMID": 11256897, "Study Quality": "3"}, {"PMID": 29541626, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
10
1
0
1
0
0
1
0
0
449
Ovarian Cancer Screening
Ovarian cancer screening. Postmenopausal. Average risk.
FDG-PET/CT whole body
Usually not appropriate
Limited
{"References": [{"PMID": 16515568, "Study Quality": "3"}]}
4
10-30 mSv
4
3-10 mSv
1
null
0
0
0
0
0
0
0
0
0
4,099
Vomiting in Infants
Vomiting within the first 2 days after birth. Poor feeding or no passage of meconium. Initial imaging.
Nuclear medicine gastroesophageal reflux scan
Usually not appropriate
Expert Consensus
{"References": []}
0
null
3
3-3 mSv
1
1
14
3
1
0
0
0
0
0
0
3,495
Nonischemic Myocardial Disease with Clinical Manifestations (Ischemic Cardiomyopathy Already Excluded)
Suspected inflammatory cardiomyopathy. Ischemic cardiomyopathy already excluded. Initial imaging.
US echocardiography transthoracic resting
Usually appropriate
Limited
{"References": [{"PMID": 27086044, "Study Quality": "2"}, {"PMID": 29306364, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
8
8
0
0
0
1
0
1
5
2
6
6,940
Multiple Gestations
Multiple gestations. Dichorionic or multichorionic higher order multiples or monochorionic gestations. Known abnormality or discordance between fetuses (fluid, size, weight). Growth and antepartum surveillance.
MRI fetal without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
0
0 mSv
0
0 mSv
1
1
9
1
0
0
0
0
0
0
0
4,081
Chronic Extremity Joint Pain-Suspected Inflammatory Arthritis, Crystalline Arthritis, or Erosive Osteoarthritis
Chronic extremity joint pain. Suspect inflammatory arthritis (seropositive or seronegative arthritis). Radiographs normal or inconclusive. Next imaging study.
MRI area of interest without IV contrast
Usually appropriate
Limited
{"References": [{"PMID": 25537977, "Study Quality": "3"}, {"PMID": 20966327, "Study Quality": "4"}, {"PMID": 23192434, "Study Quality": "4"}, {"PMID": 25636414, "Study Quality": "3"}, {"PMID": 26681086, "Study Quality": "3"}, {"PMID": 27134251, "Study Quality": "3"}, {"PMID": 24528508, "Study Quality": "4"}, {"PMID": 2...
0
0 mSv
0
0 mSv
7
7
0
0
1
1
1
5
4
2
2
7,852
Known or Suspected Congenital Heart Disease in the Adult
Known or suspected congenital heart disease in the adult.
CTA coronary arteries with IV contrast
Usually appropriate
Strong
{"References": [{"PMID": 19766923, "Study Quality": "4"}, {"PMID": 18195386, "Study Quality": "2"}, {"PMID": 18089704, "Study Quality": "3"}, {"PMID": 18796669, "Study Quality": "2"}, {"PMID": 20729443, "Study Quality": "2"}, {"PMID": 25773919, "Study Quality": "1"}, {"PMID": 19897497, "Study Quality": "3"}, {"PMID": 1...
3
1-10 mSv
4
3-10 mSv
7
null
0
0
0
0
0
0
0
0
0
381
Workup of Pleural Effusion or Pleural Disease
Recent minor blunt trauma with suspected pleural effusion. Initial imaging.
CTA chest with IV contrast
May be appropriate (Disagreement)
Expert Opinion
{"References": [{"PMID": 27299139, "Study Quality": "Good"}, {"PMID": 26440607, "Study Quality": "1"}, {"PMID": 21045745, "Study Quality": "2"}]}
3
1-10 mSv
4
3-10 mSv
5
5
1
2
0
1
1
0
1
7
0
11,206
Pretreatment Staging of Urothelial Cancer
Adult. Muscle invasive bladder cancer. Pretreatment staging.
CT pelvis without IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
4
3-10 mSv
2
2
3
6
2
0
0
0
0
0
0
1,155
Pretreatment Evaluation and Follow-up of Invasive Cancer of the Cervix
Surveillance of treated cervical cancer in asymptomatic patients.
CT chest without and with IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": -3195133, "Study Quality": "4"}]}
3
1-10 mSv
4
3-10 mSv
2
2
3
4
4
0
0
0
0
0
0
3,994
Myelopathy
Acute onset myelopathy. Initial imaging.
Radiography spine area of interest
Usually not appropriate
Limited
{"References": [{"PMID": 19525791, "Study Quality": "3"}, {"PMID": 3257332, "Study Quality": "4"}, {"PMID": 28457932, "Study Quality": "3"}, {"PMID": 9231966, "Study Quality": "2"}]}
0
null
0
null
3
3
2
0
7
5
0
2
0
0
0
5,294
Cerebrovascular Diseases-Stroke and Stroke-Related Conditions
Adult. Focal neurologic deficit. Clinically suspected acute ischemic stroke. Initial imaging.
CTA head with IV contrast
Usually appropriate
Strong
{"References": [{"PMID": 35342807, "Study Quality": "2"}, {"PMID": 29364767, "Study Quality": "1"}, {"PMID": 36239645, "Study Quality": "2"}, {"PMID": 36239644, "Study Quality": "1"}, {"PMID": 29129157, "Study Quality": "4"}, {"PMID": 26898852, "Study Quality": "Not Assessed"}]}
3
1-10 mSv
4
3-10 mSv
9
9
0
0
1
0
0
1
1
6
12
9,798
Suspected Pulmonary Embolism
Suspected pulmonary embolism. Low or intermediate pretest probability with a positive D-dimer. Initial imaging.
US duplex Doppler lower extremity
Usually not appropriate
Moderate
{"References": [{"PMID": 15845793, "Study Quality": "3"}, {"PMID": 18043357, "Study Quality": "3"}, {"PMID": 19427980, "Study Quality": "1"}, {"PMID": 17555069, "Study Quality": "4"}, {"PMID": 17179348, "Study Quality": "1"}]}
0
0 mSv
0
0 mSv
3
3
2
7
4
0
3
2
0
0
0
1,728
Shoulder Pain-Traumatic
Traumatic shoulder pain. Radiographs normal. Physical examination findings consistent with rotator cuff tear. Next imaging study.
US shoulder
Usually appropriate
Strong
{"References": [{"PMID": 24060014, "Study Quality": "3"}, {"PMID": 18591598, "Study Quality": "2"}, {"PMID": 18160242, "Study Quality": "3"}, {"PMID": 18449121, "Study Quality": "3"}, {"PMID": 20514507, "Study Quality": "2"}, {"PMID": 17149764, "Study Quality": "2"}, {"PMID": 15674840, "Study Quality": "2"}, {"PMID": 2...
0
0 mSv
0
0 mSv
8
8
0
0
0
0
1
0
4
5
5
2,927
Suspected New-Onset and Known Nonacute Heart Failure
Suspected new-onset nonacute heart failure, not previously diagnosed. Initial imaging.
MRI heart with function and inotropic stress without IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 23500216, "Study Quality": "4"}, {"PMID": 19755468, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
2
2
3
5
6
1
0
0
0
0
0
8,581
Chronic Hip Pain
Chronic hip pain. Suspect impingement or dysplasia. Radiographs negative or nondiagnostic. Next imaging study.
MRI hip without and with IV contrast
Usually not appropriate
Strong
{"References": [{"PMID": 16275571, "Study Quality": "4"}, {"PMID": 8657921, "Study Quality": "3"}, {"PMID": 8451409, "Study Quality": "4"}, {"PMID": 12606867, "Study Quality": "4"}, {"PMID": 22907475, "Study Quality": "2"}, {"PMID": 22933489, "Study Quality": "3"}, {"PMID": 20872764, "Study Quality": "2"}, {"PMID": 210...
0
0 mSv
0
0 mSv
1
1
8
2
5
0
0
0
0
0
0
2,425
Imaging After Total Knee Arthroplasty
Follow-up of symptomatic or asymptomatic patients with a total knee arthroplasty. Initial imaging.
Image-guided aspiration knee
Usually not appropriate
Expert Consensus
{"References": []}
0
null
0
null
1
1
11
0
0
0
0
0
0
0
0
2,727
Pretreatment Detection, Surveillance, and Staging of Prostate Cancer
Clinically established low-risk prostate cancer. Active surveillance.
CT chest abdomen pelvis with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
4
10-30 mSv
4
3-10 mSv
1
1
10
3
0
0
0
0
0
1
0
1,253
Liver Lesion — Initial Characterization
Indeterminate, less than 1 cm liver lesion on initial imaging with CT (noncontrast or single-phase) or noncontrast MRI. Known history of an extrahepatic malignancy.
US abdomen
Usually not appropriate
Limited
{"References": [{"PMID": 20517816, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
3
3
3
3
3
3
4
1
0
0
0
4,508
Pulmonary Arteriovenous Malformation (PAVM)
Adult. Asymptomatic with abnormal imaging on CT or chest radiography suggestive of PAVM. Next imaging study.
CT chest without IV contrast
May be appropriate
Limited
{"References": [{"PMID": 8184042, "Study Quality": "4"}, {"PMID": 25032812, "Study Quality": "4"}, {"PMID": 19553198, "Study Quality": "4"}]}
3
1-10 mSv
4
3-10 mSv
4
4
2
4
2
5
2
2
0
0
0
7,502
Cervical Neck Pain or Cervical Radiculopathy
New or increasing nontraumatic cervical radiculopathy. No “red flags.” Initial imaging.
CTA neck with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 3823440, "Study Quality": "2"}, {"PMID": 9534693, "Study Quality": "2"}]}
3
1-10 mSv
3
3-3 mSv
1
1
10
4
2
1
1
0
0
0
0
2,503
Staging and Post-Therapy Assessment of Head and Neck Cancer
Treated cancer of the paranasal sinuses or nasal cavity. Surveillance imaging or follow-up imaging for suspected or known recurrence.
MRI head without IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 32113152, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
15
1
0
1
0
1
0
0
0
12,048
Hearing Loss and/or Vertigo
Persistent vertigo with or without neurological symptoms (central vertigo). Initial imaging.
MRI head and internal auditory canal without IV contrast
Usually appropriate
Strong
{"References": [{"PMID": 27495834, "Study Quality": "3"}, {"PMID": 25956665, "Study Quality": "3"}, {"PMID": 24920847, "Study Quality": "2"}, {"PMID": 23336972, "Study Quality": "3"}, {"PMID": 22940762, "Study Quality": "4"}, {"PMID": 11698800, "Study Quality": "4"}, {"PMID": 24314796, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
8
8
0
0
0
0
1
1
5
5
3
5,687
Imaging of Invasive Breast Cancer
Surveillance. Regardless of clinical stage of breast cancer at time of original presentation. Evaluation for local recurrence in patient with history of mastectomy.
Mammography with IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": -3195173, "Study Quality": "4"}, {"PMID": -3195175, "Study Quality": "4"}, {"PMID": -3195384, "Study Quality": "4"}]}
2
1-1mSv
0
null
1
1
15
1
0
0
0
0
0
0
0
11,746
Nonischemic Myocardial Disease with Clinical Manifestations (Ischemic Cardiomyopathy Already Excluded)
Suspected arrhythmogenic cardiomyopathy (arrhythmia of ventricular origin). Ischemic cardiomyopathy already excluded. Initial imaging.
US echocardiography transthoracic stress
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 20172912, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
3
3
3
5
8
0
0
0
0
0
0
6,926
Recurrent Lower Urinary Tract Infections in Females
Recurrent lower urinary tract infections in a female. Uncomplicated with no underlying risk factors.
CTU without and with IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 21792579, "Study Quality": "4"}, {"PMID": 20842992, "Study Quality": "4"}]}
4
10-30 mSv
5
10-30 mSv
2
2
5
3
3
1
1
0
0
1
0
5,860
Dizziness and Ataxia
Adult. Acute persistent vertigo. Normal neurologic examination and HINTS examination examination consistent with peripheral vertigo. Initial imaging.
CT temporal bone without IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
0
null
1
1
16
1
1
3
0
0
0
0
0
4,643
Management of Liver Cancer
Metastatic liver disease
Hepatic arterial chemotherapy infusion
May be appropriate
Strong
{"References": [{"PMID": 26133575, "Study Quality": "4"}, {"PMID": 28433600, "Study Quality": "2"}, {"PMID": 28293087, "Study Quality": "2"}, {"PMID": 24646562, "Study Quality": "2"}, {"PMID": 22922040, "Study Quality": "2"}]}
0
null
0
null
6
6
0
0
0
3
3
4
4
1
0
1,612
Pelvic Floor Dysfunction in Females
Female. Urinary dysfunction (involuntary leakage of urine, or frequent urination, or urgency, straining to void, incomplete voiding, splinting, or digital maneuvers to void). Initial imaging.
CT pelvis with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
3
1-10 mSv
4
3-10 mSv
3
3
3
4
3
1
1
2
0
0
0
7,247
Primary Bone Tumors
Suspect primary bone tumor. Radiographs or clinical presentation suggest osteoid osteoma. Next imaging study.
CT area of interest without and with IV contrast
May be appropriate (Disagreement)
Expert Opinion
{"References": [{"PMID": 2119115, "Study Quality": "4"}, {"PMID": 8134575, "Study Quality": "3"}, {"PMID": 24631034, "Study Quality": "4"}]}
0
null
0
null
5
5
0
4
1
2
5
0
2
0
0
2,191
Fibroids
Clinically suspected fibroids. Initial imaging.
MRI pelvis without and with IV contrast
May be appropriate
Strong
{"References": [{"PMID": 27921159, "Study Quality": "2"}, {"PMID": 23563602, "Study Quality": "3"}, {"PMID": -3188535, "Study Quality": "4"}, {"PMID": 23206612, "Study Quality": "3"}, {"PMID": 30207503, "Study Quality": "4"}, {"PMID": 31427216, "Study Quality": "4"}, {"PMID": 26397344, "Study Quality": "4"}, {"PMID": 2...
0
0 mSv
0
0 mSv
6
6
0
0
0
0
1
7
2
2
0
11,849
Thoracoabdominal Aneurysm or Dissection: Treatment Planning and Follow-Up
Follow-up after open repair of thoracoabdominal aortic aneurysm or dissection.
CT chest abdomen pelvis without IV contrast
May be appropriate
Strong
{"References": [{"PMID": 24503676, "Study Quality": "4"}, {"PMID": 30835189, "Study Quality": "1"}, {"PMID": 22451563, "Study Quality": "2"}]}
4
10-30 mSv
4
3-10 mSv
5
5
0
0
2
7
12
1
0
0
0
11,600
Tinnitus
Pulsatile tinnitus, unilateral or bilateral; No retrotympanic lesion on otoscopy. Initial imaging.
US head
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 23632978, "Study Quality": "3"}, {"PMID": 15068515, "Study Quality": "4"}, {"PMID": 2296650, "Study Quality": "4"}, {"PMID": 29561378, "Study Quality": "2"}, {"PMID": 21402614, "Study Quality": "2"}, {"PMID": 17320776, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
15
0
2
0
0
1
0
0
0
7,520
Pretreatment Evaluation and Follow-Up of Endometrial Cancer
Surveillance of asymptomatic patients with treated low- or intermediate-risk endometrial cancer.
MRI abdomen without IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 28372871, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
2
2
5
7
1
2
0
0
0
0
0
3,902
Urinary Tract Infection–Child
Child assigned male at birth (AMB). Younger than 2 months of age. First febrile urinary tract infection with appropriate response to medical management. Initial imaging.
CT abdomen and pelvis without and with IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
4
10-30 mSv
5
10-30 mSv
1
1
16
1
0
0
1
0
0
0
0
3,429
Management of Vertebral Compression Fractures
New back pain. Previously treated VCF or multiple VCFs. Initial Imaging.
CT myelography spine area of interest
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 20528649, "Study Quality": "2"}, {"PMID": 15690210, "Study Quality": "4"}, {"PMID": 22637642, "Study Quality": "2"}, {"PMID": 22091375, "Study Quality": "4"}, {"PMID": 14519867, "Study Quality": "4"}]}
0
null
0
null
3
3
7
2
4
5
2
0
0
0
0
6,594
Thoracic Outlet Syndrome
Arterial thoracic outlet syndrome. Initial imaging and follow-up imaging after surgery or intervention.
Arteriography upper extremity
Usually appropriate
Expert Consensus
{"References": [{"PMID": 21129894, "Study Quality": "4"}, {"PMID": 22140211, "Study Quality": "4"}, {"PMID": 22544354, "Study Quality": "4"}, {"PMID": 23446121, "Study Quality": "4"}, {"PMID": 22542345, "Study Quality": "4"}]}
1
1 mSv
0
null
7
7
1
0
0
0
2
5
7
7
0
7,210
Preprocedural Planning for Transcatheter Aortic Valve Replacement
Preintervention planning for transcatheter aortic valve replacement
CTA abdomen and pelvis with IV contrast
Usually appropriate
Limited
{"References": [{"PMID": 31732445, "Study Quality": "3"}]}
4
10-30 mSv
0
null
8
8
0
0
0
0
0
1
5
8
3
7,030
Suspected Spine Trauma
Age greater than or equal to 16 years. Suspected acute cervical spine blunt trauma. Clinical or imaging findings suggest arterial injury with or without positive cervical spine CT. Next imaging study.
MRA neck without IV contrast
May be appropriate
Strong
{"References": [{"PMID": 22695428, "Study Quality": "3"}, {"PMID": 12435934, "Study Quality": "1"}, {"PMID": 24458034, "Study Quality": "3"}, {"PMID": 18635617, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
5
5
0
0
0
0
13
3
0
0
0
530
Head Trauma-Child
Child. Minor acute blunt head trauma. High risk for clinically important brain injury per PECARN criteria. Excluding suspected abusive head trauma. Initial imaging.
CT head without and with IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 19758692, "Study Quality": "2"}]}
3
1-10 mSv
4
3-10 mSv
1
1
20
1
0
0
0
0
0
0
0
7,143
Pretreatment Evaluation and Follow-up of Invasive Cancer of the Cervix
Evaluation of known or suspected cervical cancer local recurrence or distant metastatic disease. Follow-up imaging.
MRI pelvis without IV contrast
May be appropriate
Limited
{"References": [{"PMID": -3195133, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
6
6
0
0
1
0
4
2
4
0
0
4,003
Orbits, Vision, and Visual Loss
Nontraumatic orbital asymmetry, exophthalmos, or enophthalmos. Initial imaging.
MRA head and neck without and with IV contrast
May be appropriate
Limited
{"References": [{"PMID": 18356442, "Study Quality": "4"}, {"PMID": 18071114, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
6
6
0
0
1
1
5
5
3
2
0
5,407
Staging and Post-Therapy Assessment of Head and Neck Cancer
Suspected or diagnosed cancer of the paranasal sinuses or nasal cavity. Initial staging.
MRA neck without IV contrast
Usually not appropriate
Expert Consensus
{"References": [{"PMID": 32113152, "Study Quality": "4"}]}
0
0 mSv
0
0 mSv
1
1
17
1
1
0
0
0
0
0
0
11,938
Seizures-Child
Children 1 month to 17 years of age. Intractable seizures or refractory epilepsy.
SPECT or SPECT/CT brain perfusion
May be appropriate
Strong
{"References": [{"PMID": 27818371, "Study Quality": "2"}, {"PMID": 26021550, "Study Quality": "2"}, {"PMID": 25308754, "Study Quality": "2"}, {"PMID": 24799620, "Study Quality": "3"}, {"PMID": 23293926, "Study Quality": "2"}, {"PMID": 23030361, "Study Quality": "3"}, {"PMID": 21275980, "Study Quality": "2"}, {"PMID": 1...
3
1-10 mSv
4
3-10 mSv
6
null
0
0
0
0
0
0
0
0
0
3,328
Headache
Headache with features of intracranial hypotension (eg, positional, worse when upright, better when lying down). Initial imaging.
MRA head without IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
0
0 mSv
0
0 mSv
1
1
11
1
4
0
1
1
1
0
0
5,155
Neuroendocrine Imaging
Adult. Pituitary apoplexy. Initial imaging.
MRI sella without IV contrast
Usually appropriate
Limited
{"References": [{"PMID": 26414232, "Study Quality": "4"}, {"PMID": 23585661, "Study Quality": "3"}, {"PMID": 17898201, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
7
7
0
0
0
1
2
2
5
4
1
5,354
Imaging of the Axilla
Female. Breast cancer, greater than 2 cm in size, at mid-treatment of neoadjuvant chemotherapy, with initial clinical node-negative disease but now presenting with new palpable axillary lump. Imaging of the axilla at mid-treatment.
US axilla
Usually appropriate
Moderate
{"References": [{"PMID": 29972239, "Study Quality": "Good"}, {"PMID": 28314842, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
9
9
0
0
0
0
0
0
1
2
12
10,375
Sinonasal Disease
Suspected sinonasal mass. Initial Imaging.
MRI head without and with IV contrast
May be appropriate
Expert Consensus
{"References": [{"PMID": 29685531, "Study Quality": "4"}, {"PMID": 31939885, "Study Quality": "1"}, {"PMID": 29696477, "Study Quality": "4"}, {"PMID": 29217745, "Study Quality": "1"}, {"PMID": 26830408, "Study Quality": "4"}, {"PMID": 26359585, "Study Quality": "2"}]}
0
0 mSv
0
0 mSv
6
6
1
0
0
1
1
8
4
2
0
6,137
Congenital or Acquired Heart Disease
Child or adult. Repaired tetralogy of Fallot or pulmonary valve stenosis with concern for pulmonary valve dysfunction or branch pulmonary artery stenosis. Incomplete or inadequate assessment of cardiovascular morphology and function after transthoracic echocardiography. Next imaging study.
MRA abdomen without IV contrast
Usually not appropriate
Expert Consensus
{"References": []}
0
0 mSv
0
0 mSv
1
1
21
1
1
0
0
0
0
0
0
8,814
Pretreatment Evaluation and Follow-up of Invasive Cancer of the Cervix
Initial local staging of pretreatment cervical cancer; assessment of local tumor extension (T staging) for any clinically visible lesion.
FDG-PET/CT skull base to mid-thigh
May be appropriate
Limited
{"References": [{"PMID": 32551909, "Study Quality": "4"}, {"PMID": 32415584, "Study Quality": "3"}]}
4
10-30 mSv
4
3-10 mSv
6
6
1
0
0
0
5
0
4
1
1
3,944
Osteomyelitis or Septic Arthritis-Child (Excluding Axial Skeleton)
Child. Younger than 5 years of age. Concern for osteomyelitis or septic arthritis involving an extremity. Initial radiographs normal, or with findings suggestive of osteomyelitis. Next imaging study.
Bone scan whole body and 3-phase bone scan area of interest
May be appropriate
Limited
{"References": [{"PMID": 12368368, "Study Quality": "4"}, {"PMID": 23478935, "Study Quality": "4"}, {"PMID": 21383641, "Study Quality": "4"}, {"PMID": 20308478, "Study Quality": "3"}, {"PMID": 22582364, "Study Quality": "4"}, {"PMID": 1178860, "Study Quality": "4"}, {"PMID": 179356, "Study Quality": "4"}, {"PMID": 1250...
0
null
4
3-10 mSv
4
4
0
2
2
5
4
3
0
0
0
11,078
Cranial Neuropathy
Head and neck cancer. Suspected or known perineural spread of tumor. Initial imaging.
CT neck without IV contrast
Usually not appropriate
Limited
{"References": [{"PMID": 27890182, "Study Quality": "4"}, {"PMID": 14736668, "Study Quality": "4"}, {"PMID": 17576903, "Study Quality": "2"}]}
3
1-10 mSv
3
3-3 mSv
2
2
10
4
5
1
0
0
0
0
0
6,561
Rib Fractures
Suspected rib fractures after cardiopulmonary resuscitation (CPR). Initial imaging.
CT chest without IV contrast
May be appropriate
Limited
{"References": [{"PMID": 21705131, "Study Quality": "2"}]}
3
1-10 mSv
4
3-10 mSv
4
4
1
2
2
5
3
0
0
0
0
3,679