The research used a deep neural network that was based on photoplethysmographic (PPG) sensors that are frequently found in smart watches. When paired with an artificial intelligence-based algorithm, Apple Watch’s heart rate sensor can detect AF.
There were 6,158 participants in the University of California San Francisco Health eHeart Study who all used Cardiogram for the Apple Watch. The data gathered from the study was used to train a deep neural network to distinguish AF from normal heart rhythm automatically.
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