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A member asked:

What could cause a fast heartbeat even when the body is relaxed?

A doctor has provided 1 answer
Dr. Mathew Chengot answered

Specializes in Cardiology

Variable: The causes can vary. hyper or hypothyroidism -over active thyroid is a possible cause others are atrial fib, tachycardia , Some patients can get resting tachycardia for no reason . Please have check up for the same ekg and blood tests for evaluation is good start

Answered 7/1/2015

2.6k views

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