situated or occurring above the ventricles, especially in an atrium or atrioventricular node.
<anatomy, cardiology> Situated or occurring above the ventricles, especially in an atrium or atrioventricular node. ... (18 Nov 1997) ... 
(soo″prә-vәn-trik´u-lәr) situated or occurring above the ventricles, especially in an atrium or atrioventricular node.
Type: Term Pronunciation: sū′pră-ven-trik′yū-lăr Definitions: 1. Above the ventricles; especially applied to rhythms originating from centers proximal to the ventricles, namely in the atrium, atrioventricular node, or atrioventricular junction, in contrast to rhythms arising in the ventricles themselves.