Which phase of the action potential represents initial repolarization of hte myocardial cells?

Name: Which phase of the action potential represents initial repolarization of hte myocardial cells?
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Phase 1 of the action potential represents the initial repolarization of myocardial cells. During this phase, there is a rapid but brief outward movement of potassium ions, which causes the membrane potential to become positive briefly before it begins to repolarize.

Which Phase of the Action Potential Represents Initial Repolarization of Hte