the effect of right atrial pacing at incremental rates beginning 10 bpm above the rate of the tachycardia was studied in five patients with ventricular tachycardia , and in four patients with supraventricular tachycardia with rate-related bundle branch block aberration , the mechanism of tachycardia having been demonstrated at electrophysiology study .
C0039240
supraventricular tachycardia
C0039231
tachycardia