MedHorizon

key stringlengths 3 18	dataset stringclasses 8 values	organ stringclasses 7 values	scene_type stringclasses 4 values	duration_tier stringclasses 3 values	video_path stringlengths 11 22	num_frames int64 1.65k 134k	fps float64 1 30	duration_seconds float64 750 134k	qa listlengths 1 12	video_path_original stringlengths 11 22	split stringclasses 1 value	patient_id int64 1 30 ⌀	metadata dict
087	tmvp	cardiac	surgical	long	tmvp/087.mp4	5,628	1	5,628	[ { "uid": 0, "question": "Review the operative activity from 12:44 to 13:44; which phase does it correspond to?", "options": [ "A. Preparation", "B. Vein Dissection", "C. Left Atrium Suturing", "D. Aortic Clamping" ], "answer": "A", "task_id": "C1", "task_name": "A...	tmvp/087.mp4	test	null	null
multibypass_SBP12	multibypass	abdomen	surgical	long	multibypass/SBP12.mp4	7,579	1	7,579	[ { "uid": 6, "question": "What procedural phase is represented by the surgical activity between 1:09:18 and 1:10:18?", "options": [ "A. Gastric Pouch Creation", "B. Anastomosis Test", "C. Disassembling", "D. Preparation" ], "answer": "B", "task_id": "C1", "task_nam...	multibypass/SBP12.mp4	test	null	null
multibypass_BBP35	multibypass	abdomen	surgical	long	multibypass/BBP35.mp4	4,478	1	4,478	[ { "uid": 11, "question": "Review the operative activity from 1:00:05 to 1:01:05; which phase does it correspond to?", "options": [ "A. Jejunojejunal Anastomosis", "B. Gastrojejunal Anastomosis", "C. Petersen Space Closure", "D. Other Intervention" ], "answer": "A", "t...	multibypass/BBP35.mp4	test	null	null
multibypass_SBP66	multibypass	abdomen	surgical	long	multibypass/SBP66.mp4	7,212	1	7,212	[ { "uid": 12, "question": "Review the operative activity from 27:30 to 28:30; which phase does it correspond to?", "options": [ "A. Cleaning and Coagulation", "B. Petersen Space Closure", "C. Omentum Division", "D. Preparation" ], "answer": "C", "task_id": "C1", "t...	multibypass/SBP66.mp4	test	null	null
galar_015	galar	gastrointestinal	endoscopy	ultralong	galar/15.mp4	11,510	1	11,510	[ { "uid": 14, "question": "Considering the endoscopic appearance from 3:02:00 to 3:03:00, which gastrointestinal region is predominant?", "options": [ "A. stomach", "B. esophagus", "C. small intestine", "D. colon" ], "answer": "D", "task_id": "C1", "task_name": "Ac...	galar/15.mp4	test	null	null
multibypass_SBP21	multibypass	abdomen	surgical	long	multibypass/SBP21.mp4	4,849	1	4,849	[ { "uid": 15, "question": "At 49:12-49:42 of the video, which detailed surgical step is taking place?", "options": [ "A. Air Leak Test", "B. Jejunojejunal Mesenteric Defect Suturing", "C. Jejunojejunal Stoma Suturing", "D. Jejunal Mesentery Division" ], "answer": "D", ...	multibypass/SBP21.mp4	test	null	null
multibypass_BBP63	multibypass	abdomen	surgical	medium	multibypass/BBP63.mp4	2,585	1	2,585	[ { "uid": 18, "question": "Which surgical phase best describes the activity observed between 2:48 and 3:48?", "options": [ "A. Gastrojejunal Anastomosis", "B. Jejunojejunal Anastomosis", "C. Petersen Space Closure", "D. Gastric Pouch Creation" ], "answer": "D", "task_i...	multibypass/BBP63.mp4	test	null	null
multibypass_BBP62	multibypass	abdomen	surgical	medium	multibypass/BBP62.mp4	3,429	1	3,429	[ { "uid": 21, "question": "Review the activity between 1:47 and 2:17; which surgical step does it correspond to?", "options": [ "A. Cleaning and Hemostasis", "B. Jejunal Stapling", "C. Hiatal Dissection", "D. Mesenteric Defect Completion" ], "answer": "C", "task_id": "...	multibypass/BBP62.mp4	test	null	null
multibypass_SBP37	multibypass	abdomen	surgical	long	multibypass/SBP37.mp4	8,018	1	8,018	[ { "uid": 23, "question": "At 1:21:29-1:21:59 of the video, which detailed surgical step is taking place?", "options": [ "A. Petersen Space Identification", "B. Omentum Retraction", "C. Jejunojejunal Enterotomy", "D. Omentum Division Start" ], "answer": "C", "task_id":...	multibypass/SBP37.mp4	test	null	null
multibypass_BBP21	multibypass	abdomen	surgical	long	multibypass/BBP21.mp4	5,158	1	5,158	[ { "uid": 25, "question": "Considering the visual workflow from 1:17:27 to 1:18:27, which surgical phase is taking place?", "options": [ "A. Other Intervention", "B. Cleaning and Coagulation", "C. Anastomosis Test", "D. Jejunal Separation" ], "answer": "D", "task_id": ...	multibypass/BBP21.mp4	test	null	null
multibypass_BBP66	multibypass	abdomen	surgical	long	multibypass/BBP66.mp4	4,523	1	4,523	[ { "uid": 29, "question": "Review the operative activity from 1:07:16 to 1:08:16; which phase does it correspond to?", "options": [ "A. Jejunojejunal Anastomosis", "B. Omentum Division", "C. Anastomosis Test", "D. Cleaning and Coagulation" ], "answer": "C", "task_id": ...	multibypass/BBP66.mp4	test	null	null
grasp_CASE014	grasp	urology	surgical	long	grasp/CASE014.mp4	9,973	1	9,973	[ { "uid": 34, "question": "Considering the visual workflow from 1:04:00 to 1:05:00, which surgical phase is taking place?", "options": [ "A. Seminal Vesicles", "B. Severing Prostate Urethra", "C. Bladder Neck Reconstruction", "D. Idle" ], "answer": "D", "task_id": "C1"...	grasp/CASE014.mp4	test	null	null
multibypass_SBP45	multibypass	abdomen	surgical	long	multibypass/SBP45.mp4	6,777	1	6,777	[ { "uid": 42, "question": "In the time window 1:38:29 to 1:39:29, which phase of surgery is visible?", "options": [ "A. Petersen Space Closure", "B. Mesenteric Defect Closure", "C. Omentum Division", "D. Cleaning and Coagulation" ], "answer": "B", "task_id": "C1", ...	multibypass/SBP45.mp4	test	null	null
008	tmvp	cardiac	surgical	long	tmvp/008.mp4	6,432	1	6,432	[ { "uid": 45, "question": "Which surgical phase best describes the activity observed between 19:41 and 20:41?", "options": [ "A. Aortic Clamping", "B. Left Atrium Dissection", "C. Mitral Valve Exposure", "D. Preparation" ], "answer": "D", "task_id": "C1", "task_nam...	tmvp/008.mp4	test	null	null
multibypass_SBP61	multibypass	abdomen	surgical	long	multibypass/SBP61.mp4	4,801	1	4,801	[ { "uid": 51, "question": "During 1:19:28-1:19:58 of the operation, which specific surgical step is being carried out?", "options": [ "A. Mesenteric Defect Completion", "B. Fascia Closure", "C. Pouch Horizontal Stapling", "D. Pouch Marking" ], "answer": "B", "task_id":...	multibypass/SBP61.mp4	test	null	null
autolaparo_15	autolaparo	gynecology	surgical	long	autolaparo/15.mp4	3,653	1	3,653	[ { "uid": 56, "question": "At 12:14-13:14 of the procedure, what is the current surgical phase?", "options": [ "A. Transecting the Vagina", "B. Suturing", "C. Preparation", "D. Dividing Ligament and Peritoneum" ], "answer": "D", "task_id": "C1", "task_name": "Actio...	autolaparo/15.mp4	test	null	null
047	tmvp	cardiac	surgical	long	tmvp/047.mp4	6,822	1	6,822	[ { "uid": 58, "question": "Review the operative activity from 10:57 to 11:57; which phase does it correspond to?", "options": [ "A. Left Heart Drain Placement", "B. Preparation", "C. Pericardial Suspension", "D. Mitral Valve Repair (Mitral Valvuloplasty)" ], "answer": "B",...	tmvp/047.mp4	test	null	null
multibypass_BBP44	multibypass	abdomen	surgical	medium	multibypass/BBP44.mp4	3,326	1	3,326	[ { "uid": 67, "question": "What phase label should be assigned to the operative activity seen from 10:21 to 11:21?", "options": [ "A. Gastric Pouch Creation", "B. Jejunal Separation", "C. Other Intervention", "D. Preparation" ], "answer": "A", "task_id": "C1", "tas...	multibypass/BBP44.mp4	test	null	null
multibypass_SBP01	multibypass	abdomen	surgical	long	multibypass/SBP01.mp4	5,140	1	5,140	[ { "uid": 70, "question": "Considering the visual workflow from 19:28 to 20:28, which surgical phase is taking place?", "options": [ "A. Cleaning and Coagulation", "B. Jejunojejunal Anastomosis", "C. Omentum Division", "D. Anastomosis Test" ], "answer": "C", "task_id":...	multibypass/SBP01.mp4	test	null	null
autolaparo_04	autolaparo	gynecology	surgical	medium	autolaparo/04.mp4	2,938	1	2,938	[ { "uid": 75, "question": "For the interval 25:28-26:28 in this operation, what phase of the procedure is being performed?", "options": [ "A. Transecting the Vagina", "B. Dividing Uterine Vessels and Ligament", "C. Preparation", "D. Dividing Ligament and Peritoneum" ], "an...	autolaparo/04.mp4	test	null	null
multibypass_SBP70	multibypass	abdomen	surgical	medium	multibypass/SBP70.mp4	2,446	1	2,446	[ { "uid": 80, "question": "For the procedural interval 10:44 to 11:14, what fine-grained surgical step is underway?", "options": [ "A. Gastrojejunal Stoma Inspection", "B. Jejunojejunal Anastomosis Stapling", "C. Omentum Stapling", "D. Gastric Pouch Enterotomy" ], "answer"...	multibypass/SBP70.mp4	test	null	null
multibypass_SBP07	multibypass	abdomen	surgical	long	multibypass/SBP07.mp4	4,830	1	4,830	[ { "uid": 83, "question": "Which named surgical phase matches the operative scene during 32:07-33:07?", "options": [ "A. Jejunal Separation", "B. Omentum Division", "C. Anastomosis Test", "D. Petersen Space Closure" ], "answer": "C", "task_id": "C1", "task_name": "...	multibypass/SBP07.mp4	test	null	null
013	tmvp	cardiac	surgical	long	tmvp/013.mp4	7,453	1	7,453	[ { "uid": 84, "question": "In the time window 9:54 to 10:54, which phase of surgery is visible?", "options": [ "A. Aortic Clamping", "B. Left Heart Drain Placement", "C. Perfusion Needle Spacer Suturing", "D. Left Atrium Dissection" ], "answer": "A", "task_id": "C1", ...	tmvp/013.mp4	test	null	null
multibypass_SBP46	multibypass	abdomen	surgical	long	multibypass/SBP46.mp4	5,445	1	5,445	[ { "uid": 91, "question": "Considering the visual workflow from 58:50 to 59:50, which surgical phase is taking place?", "options": [ "A. Gastric Pouch Creation", "B. Jejunal Separation", "C. Gastrojejunal Anastomosis", "D. Jejunojejunal Anastomosis" ], "answer": "D", "...	multibypass/SBP46.mp4	test	null	null
multibypass_SBP32	multibypass	abdomen	surgical	long	multibypass/SBP32.mp4	8,125	1	8,125	[ { "uid": 95, "question": "During the procedure window from 1:26:36 to 1:27:36, which surgical phase is underway?", "options": [ "A. Gastrojejunal Anastomosis", "B. Jejunojejunal Anastomosis", "C. Other Intervention", "D. Jejunal Separation" ], "answer": "D", "task_id"...	multibypass/SBP32.mp4	test	null	null
multibypass_BBP36	multibypass	abdomen	surgical	long	multibypass/BBP36.mp4	4,967	1	4,967	[ { "uid": 101, "question": "At 19:24-20:24 of the procedure, what is the current surgical phase?", "options": [ "A. Omentum Division", "B. Petersen Space Closure", "C. Disassembling", "D. Gastrojejunal Anastomosis" ], "answer": "A", "task_id": "C1", "task_name": "A...	multibypass/BBP36.mp4	test	null	null
007	tmvp	cardiac	surgical	long	tmvp/007.mp4	5,708	1	5,708	[ { "uid": 103, "question": "During the procedure window from 13:17 to 14:17, which surgical phase is underway?", "options": [ "A. Pericardial Suspension", "B. Left Heart Drain Placement", "C. Pericardial Hemostasis Suturing", "D. Preparation" ], "answer": "D", "task_id...	tmvp/007.mp4	test	null	null
multibypass_BBP54	multibypass	abdomen	surgical	long	multibypass/BBP54.mp4	5,911	1	5,911	[ { "uid": 110, "question": "What procedural phase is represented by the surgical activity between 1:01:56 and 1:02:56?", "options": [ "A. Omentum Division", "B. Anastomosis Test", "C. Gastrojejunal Anastomosis", "D. Petersen Space Closure" ], "answer": "C", "task_id": ...	multibypass/BBP54.mp4	test	null	null
galar_059	galar	gastrointestinal	endoscopy	ultralong	galar/59.mp4	130,232	1	130,232	[ { "uid": 111, "question": "Which part of the gastrointestinal tract is mainly seen between 27:44:00 and 27:45:00?", "options": [ "A. colon", "B. mouth", "C. small intestine", "D. esophagus" ], "answer": "A", "task_id": "C1", "task_name": "Action Recognition", ...	galar/59.mp4	test	null	null
multibypass_BBP55	multibypass	abdomen	surgical	long	multibypass/BBP55.mp4	4,424	1	4,424	[ { "uid": 112, "question": "Which named surgical phase matches the operative scene during 36:27-37:27?", "options": [ "A. Omentum Division", "B. Petersen Space Closure", "C. Gastrojejunal Anastomosis", "D. Anastomosis Test" ], "answer": "C", "task_id": "C1", "task_...	multibypass/BBP55.mp4	test	null	null
multibypass_SBP33	multibypass	abdomen	surgical	long	multibypass/SBP33.mp4	3,958	1	3,958	[ { "uid": 116, "question": "For the procedural interval 8:42 to 9:12, what fine-grained surgical step is underway?", "options": [ "A. Jejunal Mesentery Division", "B. Additional Pouch Work", "C. Pouch Vertical Stapling", "D. Methylene Blue Test" ], "answer": "C", "task...	multibypass/SBP33.mp4	test	null	null
multibypass_BBP61	multibypass	abdomen	surgical	medium	multibypass/BBP61.mp4	3,577	1	3,577	[ { "uid": 120, "question": "For the interval 26:55-27:55 in this operation, what phase of the procedure is being performed?", "options": [ "A. Anastomosis Test", "B. Gastrojejunal Anastomosis", "C. Cleaning and Coagulation", "D. Mesenteric Defect Closure" ], "answer": "B",...	multibypass/BBP61.mp4	test	null	null
multibypass_BBP34	multibypass	abdomen	surgical	long	multibypass/BBP34.mp4	3,645	1	3,645	[ { "uid": 124, "question": "Between 9:04 and 9:34, which named surgical step is being performed?", "options": [ "A. Pouch Vertical Stapling", "B. Mesenteric Defect Identification", "C. Jejunojejunal Enterotomy", "D. Jejunojejunal Stoma Inspection" ], "answer": "A", "ta...	multibypass/BBP34.mp4	test	null	null
multibypass_SBP42	multibypass	abdomen	surgical	long	multibypass/SBP42.mp4	5,310	1	5,310	[ { "uid": 129, "question": "During the procedure window from 41:15 to 42:15, which surgical phase is underway?", "options": [ "A. Other Intervention", "B. Gastrojejunal Anastomosis", "C. Jejunal Separation", "D. Mesenteric Defect Closure" ], "answer": "B", "task_id": "...	multibypass/SBP42.mp4	test	null	null
multibypass_SBP23	multibypass	abdomen	surgical	long	multibypass/SBP23.mp4	10,705	1	10,705	[ { "uid": 131, "question": "What specific operative maneuver is visible during 29:03-29:33?", "options": [ "A. Additional Pouch Work", "B. Bowel Run", "C. Pouch Completion Stapling", "D. Gastrojejunal Stoma Suturing" ], "answer": "C", "task_id": "C1", "task_name": ...	multibypass/SBP23.mp4	test	null	null
multibypass_BBP28	multibypass	abdomen	surgical	long	multibypass/BBP28.mp4	6,966	1	6,966	[ { "uid": 133, "question": "Which named surgical phase matches the operative scene during 1:19:04-1:20:04?", "options": [ "A. Jejunal Separation", "B. Jejunojejunal Anastomosis", "C. Petersen Space Closure", "D. Omentum Division" ], "answer": "B", "task_id": "C1", ...	multibypass/BBP28.mp4	test	null	null
054	tmvp	cardiac	surgical	long	tmvp/054.mp4	10,209	1	10,209	[ { "uid": 135, "question": "What procedural phase is represented by the surgical activity between 15:23 and 16:23?", "options": [ "A. Perfusion Needle Spacer Suturing", "B. Vein Dissection", "C. Perfusion Needle Insertion", "D. Pericardial Hemostasis Suturing" ], "answer":...	tmvp/054.mp4	test	null	null
grasp_CASE001	grasp	urology	surgical	ultralong	grasp/CASE001.mp4	10,973	1	10,973	[ { "uid": 140, "question": "Which surgical phase best describes the activity observed between 2:30:00 and 2:31:00?", "options": [ "A. Bladder Neck Identification", "B. Seminal Vesicles", "C. Idle", "D. Bladder Neck Reconstruction" ], "answer": "D", "task_id": "C1", ...	grasp/CASE001.mp4	test	null	null
005	tmvp	cardiac	surgical	long	tmvp/005.mp4	4,924	1	4,924	[ { "uid": 151, "question": "Which surgical phase best describes the activity observed between 5:13 and 6:13?", "options": [ "A. Preparation", "B. Mitral Valve Exposure", "C. Perfusion Needle Insertion", "D. Pericardial Hemostasis Suturing" ], "answer": "A", "task_id": ...	tmvp/005.mp4	test	null	null
galar_035	galar	gastrointestinal	endoscopy	long	galar/35.mp4	9,643	1	9,643	[ { "uid": 155, "question": "What anatomical region of the gastrointestinal tract is most apparent during 46:00-47:00?", "options": [ "A. stomach", "B. esophagus", "C. small intestine", "D. mouth" ], "answer": "C", "task_id": "C1", "task_name": "Action Recognition",...	galar/35.mp4	test	null	null
multibypass_SBP19	multibypass	abdomen	surgical	long	multibypass/SBP19.mp4	7,863	1	7,863	[ { "uid": 156, "question": "During 48:06-48:36 of the operation, which specific surgical step is being carried out?", "options": [ "A. Mesenteric Defect Suturing", "B. Omentum Cauterization", "C. Jejunal Mesentery Division", "D. Jejunojejunal Mesenteric Defect Suturing" ], ...	multibypass/SBP19.mp4	test	null	null
multibypass_BBP30	multibypass	abdomen	surgical	long	multibypass/BBP30.mp4	4,778	1	4,778	[ { "uid": 157, "question": "Review the operative activity from 52:48 to 53:48; which phase does it correspond to?", "options": [ "A. Other Intervention", "B. Gastrojejunal Anastomosis", "C. Omentum Division", "D. Jejunojejunal Anastomosis" ], "answer": "D", "task_id": ...	multibypass/BBP30.mp4	test	null	null
galar_038	galar	gastrointestinal	endoscopy	long	galar/38.mp4	6,209	1	6,209	[ { "uid": 163, "question": "Which part of the gastrointestinal tract is mainly seen between 1:30:00 and 1:31:00?", "options": [ "A. stomach", "B. small intestine", "C. colon", "D. esophagus" ], "answer": "C", "task_id": "C1", "task_name": "Action Recognition", ...	galar/38.mp4	test	null	null
multibypass_BBP65	multibypass	abdomen	surgical	long	multibypass/BBP65.mp4	4,717	1	4,717	[ { "uid": 165, "question": "For the interval 1:17:57-1:18:36 in this operation, what phase of the procedure is being performed?", "options": [ "A. Mesenteric Defect Closure", "B. Disassembling", "C. Jejunal Separation", "D. Omentum Division" ], "answer": "B", "task_id"...	multibypass/BBP65.mp4	test	null	null
082	tmvp	cardiac	surgical	long	tmvp/082.mp4	7,712	1	7,712	[ { "uid": 169, "question": "Considering the visual workflow from 1:46:51 to 1:47:51, which surgical phase is taking place?", "options": [ "A. Aortic Clamping", "B. Left Heart Drain Placement", "C. Vein Dissection", "D. Left Atrium Suturing" ], "answer": "D", "task_id":...	tmvp/082.mp4	test	null	null
035	tmvp	cardiac	surgical	long	tmvp/035.mp4	7,293	1	7,293	[ { "uid": 174, "question": "At 10:12-11:12 of the procedure, what is the current surgical phase?", "options": [ "A. Preparation", "B. Mitral Valve Exposure", "C. Left Atrium Dissection", "D. Perfusion Needle Insertion" ], "answer": "A", "task_id": "C1", "task_name"...	tmvp/035.mp4	test	null	null
multibypass_SBP29	multibypass	abdomen	surgical	long	multibypass/SBP29.mp4	3,621	1	3,621	[ { "uid": 180, "question": "Which surgical phase best describes the activity observed between 37:15 and 38:15?", "options": [ "A. Preparation", "B. Cleaning and Coagulation", "C. Jejunal Separation", "D. Gastric Pouch Creation" ], "answer": "C", "task_id": "C1", "t...	multibypass/SBP29.mp4	test	null	null
multibypass_SBP60	multibypass	abdomen	surgical	long	multibypass/SBP60.mp4	8,338	1	8,338	[ { "uid": 183, "question": "At 47:11-47:41 of the video, which detailed surgical step is taking place?", "options": [ "A. Cleaning and Hemostasis", "B. Hiatal Dissection", "C. Drain Placement", "D. Instrument Removal" ], "answer": "A", "task_id": "C1", "task_name":...	multibypass/SBP60.mp4	test	null	null
051	tmvp	cardiac	surgical	long	tmvp/051.mp4	6,045	1	6,045	[ { "uid": 188, "question": "What procedural phase is represented by the surgical activity between 0:00 and 0:43?", "options": [ "A. Left Atrium Suturing", "B. Aortic Clamping", "C. Perfusion Needle Insertion", "D. Preparation" ], "answer": "D", "task_id": "C1", "ta...	tmvp/051.mp4	test	null	null
multibypass_SBP49	multibypass	abdomen	surgical	long	multibypass/SBP49.mp4	10,541	1	10,541	[ { "uid": 197, "question": "What specific operative maneuver is visible during 39:46-40:16?", "options": [ "A. Pouch Vertical Stapling", "B. Omentum Division Completion", "C. Angle of His Dissection", "D. Instrument Removal" ], "answer": "B", "task_id": "C1", "task...	multibypass/SBP49.mp4	test	null	null
multibypass_SBP40	multibypass	abdomen	surgical	long	multibypass/SBP40.mp4	9,744	1	9,744	[ { "uid": 200, "question": "During the procedure window from 18:55 to 19:55, which surgical phase is underway?", "options": [ "A. Jejunojejunal Anastomosis", "B. Omentum Division", "C. Jejunal Separation", "D. Petersen Space Closure" ], "answer": "B", "task_id": "C1", ...	multibypass/SBP40.mp4	test	null	null
multibypass_SBP25	multibypass	abdomen	surgical	long	multibypass/SBP25.mp4	6,264	1	6,264	[ { "uid": 202, "question": "At 1:13:43-1:14:13 of the video, which detailed surgical step is taking place?", "options": [ "A. Jejunum Identification", "B. Gastrojejunal Enterotomy", "C. Gastrojejunal Anastomosis Stapling", "D. Jejunojejunal Stoma Inspection" ], "answer": "...	multibypass/SBP25.mp4	test	null	null
multibypass_BBP50	multibypass	abdomen	surgical	long	multibypass/BBP50.mp4	3,799	1	3,799	[ { "uid": 205, "question": "At 27:23-28:23 of the procedure, what is the current surgical phase?", "options": [ "A. Anastomosis Test", "B. Gastrojejunal Anastomosis", "C. Disassembling", "D. Mesenteric Defect Closure" ], "answer": "B", "task_id": "C1", "task_name":...	multibypass/BBP50.mp4	test	null	null
autolaparo_01	autolaparo	gynecology	surgical	long	autolaparo/01.mp4	6,388	1	6,388	[ { "uid": 209, "question": "Review the operative activity from 46:58 to 47:58; which phase does it correspond to?", "options": [ "A. Transecting the Vagina", "B. Suturing", "C. Washing", "D. Specimen Removal" ], "answer": "A", "task_id": "C1", "task_name": "Action ...	autolaparo/01.mp4	test	null	null
074	tmvp	cardiac	surgical	long	tmvp/074.mp4	5,634	1	5,634	[ { "uid": 210, "question": "For the interval 3:10-4:10 in this operation, what phase of the procedure is being performed?", "options": [ "A. Mitral Valve Repair (Mitral Valvuloplasty)", "B. Mitral Valve Exposure", "C. Perfusion Needle Insertion", "D. Left Atrium Dissection" ],...	tmvp/074.mp4	test	null	null

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MedHorizon

MedHorizon is a long-context medical video benchmark for evaluating multimodal models on full-procedure clinical videos. The benchmark emphasizes two properties that are not captured by short-clip medical video datasets: extremely sparse evidence retrieval and multi-hop reasoning over observations distributed across a full procedure.

Dataset Contents

Videos: 340 full-procedure videos.
Questions: 1,253 multiple-choice QA pairs.
Evaluation split: test.
Video hours: 759 hours in total.
Modalities and scenarios: endoscopy, surgical videos, and ultrasound studies.

The main annotation file is medhorizon_test.jsonl. Each record corresponds to one video and contains metadata plus a list of QA items under qa. The video_path field is relative to this repository, for example real_colon/002-010.mp4 or us_study/01-lus.mp4.

For compatibility with internal evaluation scripts, medhorizon_testbench.jsonl contains the same records as medhorizon_test.jsonl, and medhorizon_test_swift.jsonl provides a Swift-friendly flattened view.

Fields

key: video identifier.
dataset: source subset name.
organ: organ or anatomical target category.
scene_type: clinical scene type.
duration_tier: duration bucket.
video_path: relative path to the video file in this repository.
num_frames, fps, duration_seconds: video metadata.
qa: list of multiple-choice QA items with question, options, answer, task_id, task_name, and category metadata.
split: always test for the released benchmark.

Splits

This release is evaluation-only and intentionally provides a test split rather than a train split. The benchmark is intended for standardized model evaluation and leaderboard reporting.

Citation

A paper citation will be added after the preprint is available.

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