July 14--A device a fraction of an inch long is providing George Saenz with a peace of mind he has never had before. Three weeks ago, the 67-year-old independent insurance agent had the Medtronic ...
Atrial fibrillation is a type of arrhythmia that causes an irregular or abnormally fast heart rate. It is the most common arrhythmia. When someone has atrial fibrillation, the upper chambers of their ...
Doctors use heart tests to diagnose or monitor different heart conditions. They include blood tests, electrocardiograms, echocardiograms, and coronary angiograms. Doctors use these tests to diagnose ...
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How Accurate Is Your Heart-Rate Monitor, Really?
Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are external ...
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