![]() ![]() We use the ECG to tell if electrical signals are flowing smoothly, if there is injury to the heart, if the heart is too big, or if there are other medical conditions. It gives us an electrical picture of how the heart is beating. So what can your smartwatch ECG do? And what can it tell you about your heart? Just what are all the features packed into that heart monitor on your wrist? In this post, I’ll walk you through these questions and help you understand what your smartwatch is designed to do and importantly, what it is not designed to do.įor us cardiologists, the ECG is the most common test that we order for patients. I, too, still remember marveling at the quality of the tracing when I took my first Apple Watch ECG only two years ago. ![]() This new heart monitor, known as a smartwatch, would’ve been unfathomable to Dr. It can automatically monitor your pulse multiple times a day, and to take an ECG, all you have to do is put your finger on the watch’s crown. Now, you can go out and buy a heart monitor that you wear on your wrist, without a prescription from your doctor. But then, newer monitors, including the more convenient ECG patch monitors, stretched that monitoring interval to a few weeks however, these require a prescription from your doctor. For a long time, it could only record continuously for 24 hours, and you needed to get lucky to catch any symptoms during that time. Then came the revolutionary Holter monitor in 1962, which allowed you to take a continuous ECG reading in your own home. Not long ago, if you had worrisome symptoms, you had to either visit your doctor to get an ECG, call 911, or drive to an emergency room. Advances in electrocardiogram (ECG) technology are truly remarkable. ![]()
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