Korean J Anesthesiol.  2007 Mar;52(3):350-354. 10.4097/kjae.2007.52.3.350.

Rate-dependent Left Bundle Branch Block during General Anesthesia : A case report

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea. jbkim@catholic.ac.kr

Abstract

Rate-dependent left bundle branch block during general anesthesia is rare, but its occurrence makes the electrocardiographic diagnosis of acute myocardial ischemia or infarction difficult. It can also be confused with slow rate ventricular tachycardia. Herein, a case of rate-dependent left bundle branch block, in a patient with no previous history of ischemic heart disease, is reported. The administration of esmolol resulted in a decrease in the heart rate, with reversion to normal sinus rhythm.

Keyword

acute myocardial ischemia; general anesthesia; rate-dependent left bundle block

MeSH Terms

Anesthesia, General*
Bundle-Branch Block*
Diagnosis
Electrocardiography
Heart Rate
Humans
Infarction
Myocardial Ischemia
Tachycardia, Ventricular
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