Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Left posterior fascicular block overview
Introduction
Overview
Overview
Left posterior fascicular block is characterized by a mean frontal plane axis of >90° in the absence of other causes of right axis deviation. Left posterior hemiblock (left posterior fascicular block) is infrequent.[1] Its seen either in the setting of either RCA or LAD related pathologies.
Diagnosis
Diagnosis
Electrocardiogram
The electrocardiogram findings in left posterior fascicular block include right axis deviation of the QRS complex, wide QRS complexes and a S1Q3 pattern.
References
References
- ↑ ABC of Clinical Electrocardiography, Morris F, Edhouse J, Brady WJ, Camm J, 2003
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]