Table 1

Percentage of ventricular pacing and mean heart rate on 24 h Holter monitoring

Sick sinus syndrome (n = 12)Complete heart block (n = 15)
DDDRDDDVVIRDDDRDDD VVIR
Pacing (%)70.3  (36.7)74.9  (36.3)48.1  (39.8)1-150 99.7  (1.01)1-151 92.9  (24.9)1-151 92.9  (21.3)1-151
Mean heart rate (beats/min)72.3 (13.2)70.4 (10.2)65.3 (9.8)72.3 (12.5)70.4 (9.8)68.5 (12.3)
  • Values are mean (SD).

  • 1-150 p < 0.05 v DDD/DDDR mode in patients with sick sinus syndrome.

  • 1-151 p < 0.05 v corresponding pacing modes in sick sinus syndrome.