Patient was educated that antiarrhythmic medications act by numerous mechanisms to prevent the initiation and conduction of abnormal cardiac impulses, thus inhibiting arrhythmias. The usual mechanisms of action of antiarrhythmic medications are as follows: Inhibiting the depolarization Inhibition of depolarization of cardiac muscle helps with preventing initiation of an impulse that is out of the normal cardiac rhythm, thus inhibiting arrhythmia. Slowing down of conduction velocity Slowing down the conduction of an impulse along the [...]