Stephen J. Schueler, M.D.

Overview Symptoms Evaluation EP studies Treatment pacemaker specialist Home Care diet pulse checks taking control warning signs Underlying Cause complete block left anterior hemiblock left posterior hemiblock Types Anatomy

LBBB Symptoms

Usually, left bundle branch block does not cause symptoms.

Rare symptoms of left bundle branch block include:

Continue to LBBB Evaluation

Last Updated: May 1, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed LBBB References
  1. Guerrero M, Harjai K, Stone GW, Brodie B, Cox D, Boura J, Grines L, O'Neill W, Grines C. Comparison of the prognostic effect of left versus right versus no bundle branch block on presenting electrocardiogram in acute myocardial infarction patients treated with primary angioplasty in the primary angioplasty in myocardial infarction trials. Am J Cardiol. 2005 Aug 15;96(4):482-8. [16098297]
  2. Lee SJ, McCulloch C, Mangat I, Foster E, De Marco T, Saxon LA. Isolated bundle branch block and left ventricular dysfunction. J Card Fail. 2003 Apr;9(2):87-92. [12751128]
  3. Nguyen K, Cigarroa JE, Lange RA, Hillis LD, Keeley EC. Presence and extent of angiographic coronary narrowing in patients with left bundle branch block. Am J Cardiol. 2004 Jun 1;93(11):1426-7, A10. [15165932]
  4. Reuben AD, Mann CJ. Simplifying thrombolysis decisions in patients with left bundle branch block. Emerg Med J. 2005 Sep;22(9):617-20. [16113178]
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