Posibleng Mga Sanhi para sa Bradycardia Pinsala sa Ulo Hyperkalemia Hypothyroidism Sepsis Cardiomyopathy Myocardial Infarction Vasovagal Syncope Obstructive Sleep Apnea Atrial Fibrillation Katamtaman at Malalang Traumatic na Pinsala sa Utak Bradyarrhythmia Cerebral Hemorrhage Aortic Valve Stenosis Sick Sinus Syndrome Carotid Sinus Syncope Meningitis Malalang Atrial Infarction Subarachnoid Hemorrhage Third Degree Atrioventricular Block Sinus Bradycardia Pulmonya na sanhi ng Bakterya AV Block Mobitz I AV Block Mobitz II Fabry Disease Anorexia Nervosa Primary Apnea Sakit sa Puso Conduction Disorder sa Puso Cerebral Edema T-Cell Acute Lymphoblastic Leukemia