Clinical features of key member of family AD-FDC1 and AD-FDC27.

NYHA - New York Heart Association class; ECG - Electrocardiogram; LVEDD - left ventricular end-diastolic diameter; LVEF - left ventricular ejection fraction; FS - fractional shortening; DOE - Dyspnea on exertion, PND - Paroxysmal nocturnal dyspnea, DCM - Dilated cardiomyopathy, PVC - Premature ventricular contractions, LBBB - Left bundle branch block, CHF - Congestive heart failure, SD - Sudden death, NSVT - Non-sustained ventricular tachycardia, PM - Pace maker, RBBB - Right bundle branch block, AF - Atrial fibrillation, AVB - 1st degree atrio-ventricular block, LAFB - Left anterior fascicular block, SSS - sick sinus syndrome.