Table 2.

Pacemaker Data of RV Pacing Group (N = 51).

Pacing leads
RV lead only	6 (12%)
RA and RV leads	45 (82%)
Indications
Sinus node dysfunction	16 (31%)
Heart block	36 (71%)
Atrial arrhythmias/anti-tachycardia pacing	4 (8%)
RA lead sensing threshold (mV)	1.8 ± 0.9
RA lead pacing threshold (V)	0.9 ± 0.4
RA lead impedance (ohms)	361 ± 174
RA pulse width (ms)	0.41 + 0.05
RV lead sensing threshold (mV)	8.4 ± 5.8
RV lead pacing threshold (V)	1.2 ± 0.8
RV lead impedance (ohms)	381 ± 196
RV pulse width (ms)	0.40 ± 0.04

RA: Right atrium; RV right ventricle.