2 doctors weighed in:

I'm curious, when a person has a heart attack does their heart rate speed up a great deal?

2 doctors weighed in
1 doctor agrees

In brief: Yes and no

Some persons have tachycardia, while others have bradycardia cardiac standstill, and ventricular fibrillation can happen.
It depends on the part of the heart and the amount if heart being threatened.

In brief: Yes and no

Some persons have tachycardia, while others have bradycardia cardiac standstill, and ventricular fibrillation can happen.
It depends on the part of the heart and the amount if heart being threatened.
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