PhysioNet
Health & Wearable IoT
Jan 29, 2026
MIT-BIH Arrhythmia Database
48 half-hour excerpts of two-channel ambulatory ECG recordings from 47 subjects (1975–1979), digitized at 360 Hz with expert annotations for approximately 110,000 heartbeats, widely used for arrhythmia detection research.[page:2][web:219]
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