The nurse is administering a calcium channel blocker to a patient who has symptomatic sinus tachycardia at a rate of 132 bpm. What is the anticipated action of the drug for this patient?

The nurse is administering a calcium channel blocker to a patient who has symptomatic sinus tachycardia at a rate of 132 bpm. What is the anticipated action of the drug for this patient?

The nurse is administering a calcium channel blocker to a patient who has symptomatic sinus tachycardia at a rate of 132 bpm. What is the anticipated action of the drug for this patient?


a) Increases the atrioventricular node conduction

b) Decreases the sinoatrial node automaticity

c) Creates a positive inotropic effect

d) Increases the heart rate



Answer: Decreases the sinoatrial node automaticity