UPDATE February 21, 2023

In a single day, the heart of an average, healthy adult beats more than 100,000 times. Beat by beat, day by day, a picture begins to emerge — an image that goes largely unseen. Apple Watch can help make the invisible, visible. With heart health features — including high and low heart notifications, Cardio Fitness, irregular rhythm notifications, the ECG app, and AFib History — Apple gives users an ever-developing view of their health with actionable insights.

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1. The ECG app is cleared for use in adult patients. Pediatric use is limited to investigational use only.