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How to Take an Electrocardiogram (ECG Test) on Apple Watch Series 4 - 1redDrop
The ECG app on the Apple Watch Series 4 is getting a lot of positive reviews, along with some skepticism about its ability to accurately detect atrial fibrillation (AFib) in adults under the age of 55. Some say it even helped save their lives, while most are not even sure how to take an ECG …