Samsung Galaxy Watch Detected AFib Before Doctors Found Heart Trouble

39-year-old Joseph Holycross took an ECG on his Galaxy Watch 4 Classic after feeling unwell, and the watch flagged atrial fibrillation. After a week of testing he needed open-heart surgery, with doctors saying timely intervention may have prevented a stroke or heart attack.

• Galaxy Watch 4 Classic flagged AFib in a 39-year-old man
• He required open-heart surgery after a week of testing
• Doctors said he might not have lived to 45 without treatment
• ECG is available on all Galaxy Watch models since Watch 4