[A supraventricular tachycardia due to reentry along a circuit contained within the AV node. AVNRT is the most common form of supraventricular tachycardia and usually presents as a narrow QRS complex tachycardia at a rate between 150 and 250 beats per minute. ( NCI )]
UMLS (NCI) C0039232 Relation/PAR: Supraventricular Tachycardia