DSP and arrhythmogenic right ventricular cardiomyopathy: Notably, the boundary between inflammatory and genetic cardiomyopathy is blurred, as they can coexist: An early pathological series of arrhythmogenic right ventricular cardiomyopathy (ARVC) showed lymphocytic myocarditis in almost 2/3 of hearts,48 and a case series documented patients with acute chest pain, troponin elevations, and imaging typical of myocarditis who were found to have desmoplakin (DSP) cardiomyopathy.