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Right Bundle Branch Block: Current Considerations

[ Vol. 17 , Issue. 1 ]

Author(s):

Takanori Ikeda*   Pages 24 - 30 ( 7 )

Abstract:


RBBB, a pattern seen on the 12-lead ECG, results when normal electrical activity in the His-Purkinje system is interrupted for some reason. The normal sequence of activation is altered in RBBB, with a resultant characteristic appearance on the ECG manifest by a widened QRS complex and changes in the directional vectors of the R and S waves. This ECG pattern is often seen in clinical practice and generally regarded as benign. The anatomy, epidemiology, causes, symptoms, ECG findings and diagnosis, differential diagnosis in ECG, treatment, complications, prognosis, with respect to RBBB are outlined here, demonstrating some typical ECGs of RBBB.

Keywords:

Right bundle branch block, His-Purkinje system, widened QRS complex, conduction disturbance.

Affiliation:

Department of Cardiovascular Medicine, Toho University Faculty of Medicine / Toho University Omori Medical Center, Tokyo, Japan, 6-11-1 Omorinishi, Ota-ku, Tokyo 143-8541



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