Table 1.

Inducibility of atrial fibrillation (AF) or ventricular tachycardia (VT).

Inducibility (%)	Air (n=6)	CIG (n=8)	JUUL (n=7)	IQOS (n=8)	MJ (n=8)	pb-MJ (n=8)
AF (in total)	0	75	85.71	75	37.5	50
LAF:	0	62.5	28.57	50	12.5	12.5
by extra-stimuli		28.57	0	25	50	0
by overdrive		71.43	100	75	50	100
RAF:	0	50	85.71	50	37.5	50
by extra-stimuli		42.86	14.29	40	25	0
by overdrive		57.14	85.71	60	75	100
VT	0	62.5	71.43	37.5	75	37.5
by extra-stimuli		44.44	44.44	40	50	40
by overdrive		55.56	55.56	60	50	60

AF, atrial fibrillation; VT, ventricular tachycardia. LAF, LA pacing-induced AF; RAF, RA pacing-induced AF.