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Action potential characteristics of control and detubulated myocytes
| Controls | Detubulated | |
|---|---|---|
| Resting potential (mV) | −81.2 ± 0.9 | −81.0 ± 1.2 |
| Amplitude (mV) | 114 ± 4 | 108 ± 3 |
| APD25 (ms) | 11.9 ± 2.1 | 6.7 ± 0.9* |
| APD50 (ms) | 31.6 ± 5.8 | 13.5 ± 1.7* |
| APD90 (ms) | 61.0 ± 9.8 | 30.7 ± 3.4* |
Values are mean ± SE from 10 cells in each type; APD, action potential duration.
P < 0.05.
