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A member asked:
Heart beats slow and hard when standing up, then beats fast?
A doctor has provided 1 answer
Normal: This is a normal physiologic response as the blood tends to move toward your feet when you stand up. Your heart compensates by increasing the strength of the contraction and/or increasing the heart rate. If it is uncomfortable or you experience lightheadedness it may indicate that you are a little dehydrated.
Answered 2/7/2019
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