arrhythmogenic cardiomyopathy symptoms
If you have ARVC, you may have one or more of the following symptoms: 1  Palpitations. 2  Light-headedness. 3  Fainting. Breathlessness.  Abnormal heart 1  rhythms. Swollen ankles or 2  legs. Swelling in the abdomen.  Risk of sudden death on exertion.