Left posterior fascicular block overview: Difference between revisions
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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.<ref>ABC of Clinical Electrocardiography, Morris F, Edhouse J, Brady WJ, Camm J, 2003</ref> Its seen either in the setting of either [[RCA]] or [[LAD]] related pathologies. | 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.<ref>ABC of Clinical Electrocardiography, Morris F, Edhouse J, Brady WJ, Camm J, 2003</ref> Its seen either in the setting of either [[RCA]] or [[LAD]] related pathologies. | ||
==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 == | ||
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Latest revision as of 18:39, 7 February 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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
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
- ↑ ABC of Clinical Electrocardiography, Morris F, Edhouse J, Brady WJ, Camm J, 2003