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Are Smartwatch ECG and AFib Alerts Accurate? What Patients Should Know

Your watch says "possible AFib." Here's what FDA-cleared smartwatch ECGs can detect, what they miss, how accurate they've been in studies, and when to call a doctor.

Oct 19, 2026 10 min read

HealthTech

How to Share Fitness Tracker Data With Your Doctor (Without Overwhelming Them)

Your watch has months of heart, sleep and activity data. Here's how to turn it into a 1-page summary your doctor can actually use, with export steps for Apple, Fitbit, Samsung and Garmin.

Sep 30, 2026 10 min read