Medical dictionary. 2011.
atrioventricular reciprocating tachycardia — (AVRT) a reentrant tachycardia in which the reentrant circuit contains both the normal pathway through the AV node and the His bundle and an accessory pathway as integral parts. See antidromic atrioventricular reciprocating t. and orthodromic… … Medical dictionary
orthodromic atrioventricular reciprocating tachycardia — orthodromic circus movement tachycardia a nodal reentrant tachycardia in which the reentrant circuit involves anterograde conduction over the usual pathway through the AV node and His bundle, and retrograde conduction over an accessory pathway.… … Medical dictionary
atrioventricular nodal reentrant tachycardia — tachycardia resulting from reentry in or around the atrioventricular node, characterized by a QRS complex of supraventricular origin, sudden onset and termination, and a regular rhythm at a rate of 150 to 250 beats per minute. See also antidromic … Medical dictionary
Supraventricular tachycardia — Classification and external resources Lead II electrocardiogram strip showing SVT with a heart rate of about 150. ICD 10 I … Wikipedia
