Wearables Tracked a Man's Physiology in the Months Before His Sudden Cardiac Death

Longitudinal Changes InWearable-Captured PhysiologyBefore Sudden Cardiac Death

A case report in JACC: Case Reports examines longitudinal changes in wearable-captured physiology leading up to sudden cardiac death. The study draws on continuous sensor data from a single individual, raising the question of whether consumer wearables can surface warning signs before such an event. Hacker News commenters immediately flagged the sample size: N = 1.