| 词条 | Bifascicular block |
| 释义 |
| name = Bifascicular block | image = Image:Bifascicular block ECG.png | caption = bifascicular block on an electrocardiogram | synonyms = | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }} 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. Diagnosis{{Empty section|date=September 2017}}TreatmentIn those with bifascicular block and no symptoms, little with respect to treatment is needed. In those with syncope, a pacemaker is recommended. References1. ^{{cite web |url=http://library.med.utah.edu/kw/ecg/ecg_outline/Lesson6/index.html#bifasc |title=Lesson VI - ECG Conduction Abnormalities |format= |work= |accessdate=2009-01-07| archiveurl= https://web.archive.org/web/20090116121155/http://library.med.utah.edu/kw/ecg/ecg_outline/Lesson6/index.html| archivedate= 16 January 2009 | deadurl= no}} External links{{Medical resources| DiseasesDB = | ICD10 = {{ICD10|I|45|2|i|30}} | ICD9 = {{ICD9|426.53}} | ICDO = | OMIM = | MedlinePlus = | eMedicineSubj = | eMedicineTopic = | MeshID = }}{{Circulatory system pathology}}{{circulatory-disease-stub}} 1 : Cardiac arrhythmia |
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