Nodoventricular and atrioventricular bypass tracts in SVT.
D000328:Adult; D001283:Atrioventricular Node / Q000002:abnormalities*; D004594:Electrophysiology; D006329:Heart Conduction System / Q000002:abnormalities*; D006801:Humans; D008297:Male; D013614:Tachycardia, Paroxysmal / Q000209:etiology*