Paroxysmal supraventricular tachycardia

What it means

An episodic form of supraventricular tachycardia with abrupt onset and termination.

PSVT is a term used to denote intermittent supraventricular tachycardia other than atrial fibrillation, atrial flutter and multifocal atrial tachycardia (AT). The major causes are atrioventricular reentrant tachycardia (AVNRT), atrioventricular reentrant tachycardia (AVRT), and sinoatrial node reentrant tachycardia (SNRT).

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Episodic rapid heart beat · Episodic supraventricular tachycardia · PSVT