Mechanism of action of nifidipine is_____________?

Drugs Acting on CVS, GIT And Respiratory System 23/12/2021

A. It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure
B. Nifidipine depresses the SA node thus decreasing mycocoardial excitability
C. Mainly depression of A-V conduction
D. Decreased cardiac output thus decreasing load on myocardium

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