A case of cardiac septal abscess in a patient with a porcine bioprosthetic
aortic valve who gradually developed a complete atrioventricular block on s
uccessive electrocardiograms (ECG) is reported. Emergency physicians should
consider endocarditis with septal abscess in a patient with a prosthetic h
eart valve who presents with fever and a new conduction defect an EGG. (Am
J Emerg Med 2000;18:730-734 Copyright (C) 2000 by W.B. Saunders Company).