Jones & Bartlett Learning

ii. Phase 0: Begins with the rapid influx of sodium ions through channels in the cardiac cell (a) Potassium ions begin to exit the cell, and depolarization occurs. iii. Phase 1: Sodium influx decreases while potassium continues to exit the cell. iv. Phase 2: Begins movement of calcium into the cell while potassium continues to leave the cell. v. ................
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