What is Supraventricular Tachycardia?

Also known as: SVT, paroxysmal supraventricular tachycardia (PSVT), atrial tachycardia ( also includes atrial flutter and atrial fibrillation )

Supraventricular tachycardia is one type of fast heart arrhythmia; a  quite common one in children is one in which the heart beats at an abnormally fast, regular heart rate from an abnormal electrical impulse that arises from the atria (upper chambers) of the heart.


Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM

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