Posibleng Mga Sanhi para sa Atrial Septal Defect Malalang Coronary Syndrome Patent Ductus Arteriosus Chronic na Congestive Heart Failure sa Kanang Bahagi Pagpalya ng Kanang Bahagi ng Puso Malalang Atrial Infarction Mitral Valve Prolapse Ventricular Septal Defect Turner Syndrome Mitral Valve Stenosis Down Syndrome Methylmalonic Acidemia na may Homocystinuria Type cblJ Noonan Syndrome Sakit sa Puso Di-mapigilang Pagdumi Chronic na Pagkabalisa Kaliwang Atrial Hypertrophy Naantalang Pagbibinata Conduction Disorder sa Puso