Managing Patients With Advanced Atrioventricular Block: The Essential Role of Cardiovascular Magnetic Resonance Imaging for Timely and Accurate Diagnosis

Abstract

nlike conduction disease in elderly patients, advanced atrioventricular block in young and middle-aged patients is predominantly attributable to causes other than degenerative conduction disease and coronary artery disease. 1 Frequent causes of advanced atrioventricular block in young people include cardiac sarcoidosis, 2– 4 giant cell myocarditis, 2 genetic cardiomyopathies 5 caused by mutations in LMNA , 6 SCN5A , 7 and EMD , 8 and Lyme carditis in places where Lyme disease is endemic. 9 tachyarrhythmia, follow-