Adenosine Is an Antidysrhythmic Agent That Is Given Primarily What

Adenosine is an antidysrhythmic agent that is given primarily what reason?

A) To convert supraventricular tachycardias
B) To suppress premature ventricular contractions (PVCs)
C) To treat second and third degree AV blocks
D) To coarsen ventricular fibrillation so that defibrillation is effective