Table 3
Action potential characteristics
Without carbachol (n = 6) | With carbachol (n = 7) | |||||||||
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Pretest | Test | Pretest | Test | |||||||
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Mean | ±s.d. | Mean | ±s.d. | P | Mean | ±s.d. | Mean | ±s.d. | P | |
Peak voltage (mV) | 39.3 | 14.4 | 41.3 | 8.6 | n.s. | 31.4 | 13.7 | 37.4 | 14.7 | n.s. |
Duration (ms)* | 3.6 | 1.5 | 3.9 | 1.2 | n.s. | 3.3 | 1.0 | 3.5 | 0.8 | n.s. |
Decay time (ms)† | 8.2 | 4.7 | 6.9 | 3.6 | n.s. | 9.4 | 6.4 | 7.3 | 3.1 | n.s. |