title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 17-2002. A 55-year-old man with second-degree atrioventricular block and chest pain.
authors.forename: Roger J
authors.initials: RJ
authors.lastname: Hajjar
authors.forename: Richard L
authors.initials: RL
authors.lastname: Kradin
mesh_terms: D001706:Biopsy; D025065:Borrelia burgdorferi; D002637:Chest Pain / Q000209:etiology; D003240:Connective Tissue Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D004452:Echocardiography; D004562:Electrocardiography; D004699:Endocardium / Q000473:pathology*; D006327:Heart Block / Q000209:etiology*; D006403:Hematologic Tests; D006801:Humans; D008193:Lyme Disease / Q000150:complications / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009205:Myocarditis / Q000150:complications / Q000382:microbiology / Q000473:pathology*; D013902:Radiography, Thoracic