Table 1.
Control | Ma-L | Ma-M | Ma-H | |||||
---|---|---|---|---|---|---|---|---|
APD50 (ms) | 25.2±2.81 | 28.6±4.44 | 32.6±3.98* | 51.4±5.89# | ||||
APD90(ms) | 72.9±8.16 | 74.2±9.61 | 80,3±9.19* | 95.5±9.01* | ||||
APD50/APD90 | 0.35±0.07 | 0.38±0.03 | 0.39±0.03* | 0.54±0.06# |
APD50 50% repolarization of action potential duration; APD90 90% repolarization of action potential duration (n = 8, P* < 0.05; P#<0.01)