Arrhythmogenic Right Ventricular Dysplasia, Familial, 9, also known as arrhythmogenic right ventricular dysplasia 9, is related to cardiomyopathy, dilated, 1p and cardiomyopathy, familial hypertrophic, 18, and has symptoms including syncope An important gene associated with Arrhythmogenic Right Ventricular Dysplasia, Familial, 9 is PKP2 (Plakophilin 2), and among its related pathways/superpathways are Nervous system development and DREAM Repression and Dynorphin Expression. Affiliated tissues include heart and heart-atrium, and related phenotypes are right ventricular cardiomyopathy and ventricular tachycardia