How to differentiate ARVC from idiopathic RVOT VT?
A) ARVC presents with wide complex tachycardia; RVOT VT with narrow complex
B) Both present with wide complex tachycardia; differentiate with electrophysiological study
C) ARVC is associated with structural abnormalities on imaging; idiopathic RVOT VT is not
D) ARVC is responsive to adenosine; idiopathic RVOT VT is not