| Ventricular Myocyte Depolarization & Repolarization |
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| Phase 4: Resting/resetting with the Na+K+ pump; RMP is -90mV Phase 0: Depolarization; Influx of Na+ through FAST Na+ channels Phase 1: Early Rapid Repolarization: K+ efflux, Fast Na+ channels close Phase 2: Slow Repolarization (plateau phase): K+ efflux, influx of Ca++ and Na+ (SLOW Na+ channels) Phase 3: Final Rapid Repolarization: K+ efflux, Ca++ and SLOW Na+ channels close |
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