Table 4. Incidence of atrial tachyarrhythmia induced by PES and burst pacing.
| WT (n = 14) | Rgs5−/− (n = 15) | |
| Inducibility | ||
| PES200 | 7.1% (1/14) | 6.7% (1/15) |
| PES150 | 0 | 6.7% (1/15) |
| PES125 | 0 | 26.7% (4/15)* |
| PES100 | 7.1% (1/14) | 20.0% (3/15)* |
| Burst | 7.1% (1/14) | 26.7% (4/15)* |
| PES Duration | ||
| <10 s | 7.1% (1/14) | 33.3% (5/15)* |
| 10–30 s | 0 | 6.7% (1/15) |
| >30 s | 0 | 6.7% (1/15) |
| Burst Duration | ||
| <10 s | 7.1% (1/14) | 40.0% (6/15) * |
| 10–30 s | 7.1% (1/14) | 13.3% (2/15) * |
| >30 s | 0 | 6.7% (1/15) |
Subscripts 200, 150, 125 and 100 refer to S1 drive cycle lengths of 200, 150,125 and 100 ms, respectively. * P<0.05 Rgs5−/− vs WT.