
A supraventricular extrasystole (SVES) is an extrasystole or premature electrical impulse in the heart, generated above the level of the ventricle. This can be either a premature atrial contraction or a premature impulse from the atrioventricular node. SVES should be viewed in contrast to a premature ventricular contraction which has a ventricular...
Found on
http://en.wikipedia.org/wiki/Supraventricular_extrasystole

An extrasystole arising from a centre above the ventricle, i.e., arising from the atrium or A-V junction. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

Type: Term Definitions: 1. an extrasystole arising from a center above the ventricle, arising from the atrium or AV junction.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=31193
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