Table 1.
Average action potential duration (APD80) and conduction velocities at different pacing cycle lengths in nonpaced and electrically paced aGPVMs
| Avg APD80 | Avg CV | |||
|---|---|---|---|---|
|
| ||||
| CL | Nonpaced | Electrically paced | Nonpaced | Electrically paced |
|
| ||||
| 1500 | Spont | 523 ± 21 (8) | Spont | 34.2 ± 0.6 (3) |
| 1000 | 281 ± 13 (10) | 430 ± 16 (14) | 32.5 ± 0.5 (2) | 31.0 ± 1.0 (5) |
| 500 | 250 ± 6 (11) | 323 ± 10 (12)** | 31.8 ± 1.3 (8) | 29.0 ± 1.0 (6) |
| 333 | 206 ± 4 (11) | 255 ± 6 (11)* | 30.3 ± 0.4 (8) | 25.7 ± 0.8 (6) |
| 250 | 182 ± 3 (11) | 197 ± 1 (7) | 26.8 ± 2.1 (10) | 22.9 ± 1.4 (5) |
| 200 | 145 ± 4 (10) | not captured | 19.9 ± 0.4 (6) | not captured |
*
p = 0.01 ;
**
p < 0.05