Class 3 antiarrhythmic drugs work by blocking the:
A) adrenergic beta-1 receptors.
B) influx of calcium ions during Phase 2 of the cardiac potential.
C) influx of sodium ions during the depolarization phase.
D) efflux of potassium ions during the repolarization phase.
Correct Answer:
Verified
Q22: Which of the following is an example
Q23: All of these drugs slow atrioventricular (AV)conduction
Q24: Which of the following drugs is preferred
Q25: Calcium channel blockers affect the sinoatrial (SA)node
Q26: A potentially fatal problem that can occur
Q28: What is the primary mechanism of action
Q29: Atropine is used to treat sinus bradycardia
Q30: _ refers to a type of arrhythmia
Q31: _ is defined as a heart rate
Q32: A difference between dofetilide and ibutilide is
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