Font Size
A
A
A

Definition of Supraventricular tachycardia

Supraventricular tachycardia: Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical impulses from a focus above the atrioventricular node (A-V node) in the heart. Called supraventricular because the tachycardia originates above the ventricles of the heart.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=25817
Last Editorial Review: 6/14/2012

Medical Dictionary Definitions A - Z

Search Medical Dictionary






Medical Dictionary