Complete atrioventricular block as an initial manifestation of aortic dissection: A case report.

The right coronary artery involvement occurs in 1-2% of aortic dissection and may cause atrioventricular (AV) block due to obstruction of blood supply to the AV node. A 59-year-old man with a history of hypertension presented to the emergency department with chest pain and complete AV block. After the diagnostic approach, aortic dissection Stanford A was diagnosed. Aortic dissection must be suspected in hypertensive patients who present with AV block and chest pain.