How Do Pacemakers Know When I Need A Faster Heart Rate, For Example When I Am Exercising Or Anxious?
Dr. Myerburg answers the question: 'How Do Pacemakers Know To Pace Faster?' — -- Question: How do pacemakers know when I need a faster heart rate, for example when I am exercising or anxious?
In TODAY.com's Expert Tip of the Day, a cardiologist explains how to slow down a racing heart in times of stress.
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