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KMID : 1214920140200010024
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Soonchunhyang Medical Science
2014 Volume.20 No. 1 p.24 ~ p.26
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Intraoperative Detection of Rate Dependent Left Bundle Branch Block
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Koo Bon-Sung
Lee Mi-Soon
Cho Sung-Hwan
Kim Sang-Hyun
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Abstract
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Rate dependent left bundle branch block (RDLBBB) is an uncommon case. RDLBBB is defined as an intraventricular conduction defect that may return, if only temporarily, to sinus rhythm at lower heart rates. It appears when the heart rate exceeds a certain critical value. Although RDLBBB is usually benign, its diagnosis and treatment have clinical importance for association of RDLBBB and myocardial ischemia and infarction. Therefore, in the case of detection of intraoperative RDLBBB, a clear differentiation should be done as soon as possible. Also it is important to start appropriate treatment and to do clinical follow-up examination. We report a case of intraoperative RDLBBB during general anesthesia for laparoscopic cholecystectomy in 82 years old female patient who has a history of hypertension.
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KEYWORD
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Bundle-branch block, Myocardial ischemia, Electrocardiography, General anesthesia
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