of 209 tachycardias ( 156 supraventricular tachycardia [ svt ] and 53 with vt ) studied with the test mode , 1 episode of nonsustained atrial fibrillation was induced from the ventricle and 1 episode of vt was not terminated using the test mode and long coupling intervals .
C0039231
tachycardias
C0039240
supraventricular tachycardia