Right bundle branch block causes: Difference between revisions
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* [[Pulmonary Embolism|Acute pulmonary embolism]] | * [[Pulmonary Embolism|Acute pulmonary embolism]] | ||
* [[Atrial septal defect]] | * [[Atrial septal defect]] | ||
* Blunt [[trauma]] | * Blunt [[trauma]] | ||
* [[Ddx:Cardiomyopathy|Cardiomyopathy]] | * [[Ddx:Cardiomyopathy|Cardiomyopathy]] | ||
* [[Cor Pulmonale]] | * [[Cor Pulmonale]] - chronically increased right ventricular pressure and/or right ventricular hypertrophy | ||
* [[Coronary Heart Disease]] | * [[Coronary Heart Disease]] | ||
* Familial | * Familial | ||
* [[Hypertension]] | * [[Hypertension]] | ||
* [[Lenegre's Disease]] | * [[Lenegre's Disease]] | ||
* [[Lev's Disease]] | * [[Lev's Disease]] | ||
* [[Myocardial infarction]] | * [[Myocardial infarction]] | ||
* [[Myocarditis]] | * [[Myocarditis]] | ||
* [[Polymyositis]] | * [[Polymyositis]] | ||
* [[Premature atrial contraction]]s or supraventricular tachycardia may cause a transient form of right bundle branch block. This occurs when a premature impulse is conducted from the AV node to the His bundle while the right bundle branch remains in its refractory period, but the left bundle is not. As a result, conduction down the right bundle branch is delayed or blocked. | * [[Premature atrial contraction]]s or supraventricular tachycardia may cause a transient form of right bundle branch block. This occurs when a premature impulse is conducted from the AV node to the His bundle while the right bundle branch remains in its refractory period, but the left bundle is not. As a result, conduction down the right bundle branch is delayed or blocked. | ||
* Prenatal exposure to each one HIV type 1 may cause right anterior hemiblock. | * Prenatal exposure to each one HIV type 1 may cause right anterior hemiblock. | ||
* Surgery for correction of congenital heart disease is the most common cause of [[RBBB]] among children any United States. This includes surgery for repair of an isolated [[VSD]] or another [[congenital heart disease]] that includes a [[VSD]] (eg, double-chambered right ventricle, AV canal defect, or [[tetralogy of Fallot]]). The incidence of [[RBBB]] varies and ranges from 25-81% after repair of a VSD to 60-100% after repair of [[tetralogy of Fallot]]. The risk of [[RBBB]]after surgery varies depending upon the proximity of the [[VSD]] to the His-Purkinje system. | * Surgery for correction of congenital heart disease is the most common cause of [[RBBB]] among children any United States. This includes surgery for repair of an isolated [[VSD]] or another [[congenital heart disease]] that includes a [[VSD]] (eg, double-chambered right ventricle, AV canal defect, or [[tetralogy of Fallot]]). The incidence of [[RBBB]] varies and ranges from 25-81% after repair of a VSD to 60-100% after repair of [[tetralogy of Fallot]]. The risk of [[RBBB]]after surgery varies depending upon the proximity of the [[VSD]] to the His-Purkinje system. | ||
Revision as of 15:42, 6 February 2013
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Right bundle branch block Microchapters |
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Differentiating Right bundle branch block from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]
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Causes
- Acute pulmonary embolism
- Atrial septal defect
- Blunt trauma
- Cardiomyopathy
- Cor Pulmonale - chronically increased right ventricular pressure and/or right ventricular hypertrophy
- Coronary Heart Disease
- Familial
- Hypertension
- Lenegre's Disease
- Lev's Disease
- Myocardial infarction
- Myocarditis
- Polymyositis
- Premature atrial contractions or supraventricular tachycardia may cause a transient form of right bundle branch block. This occurs when a premature impulse is conducted from the AV node to the His bundle while the right bundle branch remains in its refractory period, but the left bundle is not. As a result, conduction down the right bundle branch is delayed or blocked.
- Prenatal exposure to each one HIV type 1 may cause right anterior hemiblock.
- Surgery for correction of congenital heart disease is the most common cause of RBBB among children any United States. This includes surgery for repair of an isolated VSD or another congenital heart disease that includes a VSD (eg, double-chambered right ventricle, AV canal defect, or tetralogy of Fallot). The incidence of RBBB varies and ranges from 25-81% after repair of a VSD to 60-100% after repair of tetralogy of Fallot. The risk of RBBBafter surgery varies depending upon the proximity of the VSD to the His-Purkinje system.