3 doctors weighed in:

Does ist (inappropriate sinus tachycardia) cause heart attack symptoms?

3 doctors weighed in
2 doctors agree

In brief: Unlikely

Sinus tachycardia is normal with exercize, activities, excitement, and common with fever and illnesses.
In the face of coronary disease, a fast heart beat can increase demand and precipitate events.

In brief: Unlikely

Sinus tachycardia is normal with exercize, activities, excitement, and common with fever and illnesses.
In the face of coronary disease, a fast heart beat can increase demand and precipitate events.
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