General description Phase 0: rapid Resting potential :-9omv depolarization mS Action potential Phase 1: early rapid +20 repolarization. 10 ms 2 Phase 2: plateau, slow 0 repolarization the 0 3 potential is around o 日 mV.100-150ms Phase 3, late rapid 0 repolarization. 100 50 ms 0 300 t(msec) Phase 4 resting potentials 99 t (msec) -90 0 +20 0 300 0 1 2 3 4 Phase 0: rapid depolarization, 1-2ms Phase 1: early rapid repoarization, 10 ms Phase 2: plateau, slow repolarization, the potential is around 0 mv. 100 – 150ms Phase 3, late rapid repolarization. 100 – 150 ms Phase 4 resting potentials General description Resting potential: -90mv Action Potential