A rare type of alternating bundle branch block in a patient with cardiac sarcoidosis--a case report.
The authors report a rare type of alternating bundle branch block observed in a patient with cardiac sarcoidosis. Not only alternation of complete right and left bundle branch block but also narrow QRS complexes were observed on electrocardiogram. The mechanism of these unusual findings is briefly discussed.
Konno
Tetsuo
T
Molecular Genetics of Cardiovascular Disorders, Division of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan. kontetsu@im2.m.kanazawa-u.acjp
Shimizu
Masami
M
Ino
Hidekazu
H
Araki
Tsutomu
T
Yamaguchi
Masato
M
Inoue
Masaru
M
Tofuku
Yohei
Y
Mabuchi
Hiroshi
H
D000328:Adult; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D009202:Cardiomyopathies / Q000150:complications* / Q000175:diagnosis; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans; D017379:Hypertrophy, Left Ventricular / Q000150:complications / Q000175:diagnosis / Q000628:therapy; D008297:Male; D010138:Pacemaker, Artificial; D012507:Sarcoidosis / Q000150:complications* / Q000175:diagnosis; D017565:Sarcoidosis, Pulmonary / Q000150:complications* / Q000175:diagnosis; D013575:Syncope / Q000209:etiology; D018487:Ventricular Dysfunction, Left / Q000150:complications / Q000175:diagnosis / Q000628:therapy