The repolarization phase of a myocardial action potential occurs when calcium channels close and more potassium channels open, leading to K+ efflux and returning the cell to its resting membrane potential (RMP).
Due to closure of Ca channels and opening of many more K channels K ions repolarizes cell back to RMP <img src="paste-8d5e1df5d448be33b7690920ced776de888f5e4f.jpg"> <br>
| Front | What is the repolarization phase of myocardial AP |
|---|---|
| Back | Due to closure of Ca channels and opening of many more K channels K ions repolarizes cell back to RMP |
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