furthermore , even when the post-tachycardia r-r interval clearly exceeds the longest spontaneous r-r interval during atrial fibrillation , this is still of little diagnostic value , because a long pause may occur after either a run of ventricular tachycardia or a run of aberrantly conducted qrs complexes of supraventricular origin .
C0039231
tachycardia
C0042514
ventricular tachycardia