Phase of the ventricular myocyte action potential

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Question: Describe the effects of verapamil on heart rate. Be sure to describe how this effect is achieved (HINT: It may be useful to draw the electrical activity of the SA nodal cells)

Question: Determine which phase of the ventricular myocyte action potential would you expect to be most affected by verapamil? Why? What would the end result of this be?

 

Reference no: EM1387832

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