The flattening of the action potentials of myocardial contractile cells,called the plateau phase,is due to a combination of ________ K⁺ permeability and ________ Ca²⁺ permeability.

Question

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The plateau phase of the action potential in myocardial contractile cells is characterized by decreased K+ permeability and increased Ca2+ permeability, which maintains depolarization.

The Flattening of the Action Potentials of Myocardial Contractile Cells,called