A member asked:

Is atrial tachycardia dangerous my cardiologist thinks i might have it had fast heart rate since july had several tests done !?

2 doctors weighed in across 2 answers
Dr. Mircea Petrina answered

Specializes in Cardiology

Yes if sustained: Increase heart rates, sustained even for a short period of time can cause heart failure.

Answered 12/19/2012

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Dr. Jerome Zacks answered

Specializes in Cardiology

It depends: If one has intermittent short runs of atrial tachycardia, it might not be dangerous; sustained runs are of greater concern. More important is to determine the underlying cause of the arrhythmia. This entails knowing ones blood pressure, heart muscle and valve status (echocardiogram).

Answered 10/6/2019

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