According to the Vaughan Williams classification system, which class of antiarrhythmic agents consists of the only two calcium channel blockers (CCBs) used in the management of
supraventricular arrhythmias and ventricular rate control for atrial fibrillation?
a. Class I
b. Class II
c. Class III
d. Class IV
Question 2
According to the Vaughan Williams classification system, which class of antiarrhythmic agents consists mainly of blockers?
a. Class I
b. Class II
c. Class III
d. Class IV