The Ups and Downs of Your Heart Rhythms
What is your heart rate? Our expert gives a quick explanation of how your heart’s rhythm works.
Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart. At rest, most people’s hearts beat about 50 to 70 times each minute. That rate slows at what’s referred to as peaceful rest. When you exercise, your body needs more oxygen-rich blood, and your heart rate increases to compensate.
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In this white board session, cardiologist Patrick J. Tchou, MD, takes a behind-the-scenes look at how your heart makes all of this happen.