Bifascicular block
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It has been suggested that this article be merged into Bundle branch block. (Discuss) Proposed since April 2013. |
| Bifascicular block | |
|---|---|
| Classification and external resources | |
 Right bundle branch block with first degree AV block. |
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| ICD-10 | I45.2 |
| ICD-9 | 426.53 |
Bifascicular block is a conduction abnormality in the heart where two of the three main fascicles of the His/Purkinje system are blocked.
Most commonly, it refers to a combination of right bundle branch block (RBBB) and either left anterior fascicular block (LAFB) or left posterior fascicular block (LPFB), with the former being more common.[1]
Some authors consider left bundle branch block (LBBB) to be a technical bifascicular block, since the block occurs above the bifurcation of the left anterior and left posterior fascicles of the left bundle branch.
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Treatment [edit]
In those with bifascicular block and no symptoms little with respect to treatment is needed. In those with syncope a pacemaker is recommended.
Image [edit]
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Bifascicular block on an electrocardiogram.
References [edit]
- ^ "Lesson VI - ECG Conduction Abnormalities". Archived from the original on 16 January 2009. Retrieved 2009-01-07.
External links [edit]
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