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- Supraventricular tachycardia (SVT) with bundle branch block (BBB) can occur due to pre-existing BBB or the development of aberrancy during tachycardia, known as phase 3 block1. The resulting QRS complex has a right bundle branch block morphology (rSR pattern), which is due to aberrant ventricular conduction2. Even though right bundle branch block aberrancy is more common than left bundle branch block aberrancy, both are possible3. When a patient with a bundle branch block experiences SVT, the result is a wide complex tachycardia3.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.SVT with BBB. This may arise due to pre-existing BBB or the development of aberrancy during tachycardia, known as phase 3 block, which more commonly has a right bundle branch block (RBBB) pattern due to the longer refractory period of the right bundle branch.www.aerjournal.com/articles/differential-diagnosis-…The supraventricular impulse reaches the His-Purkinje system while the right bundle branch is still refractory and therefore blocks the impulse. The resulting QRS complex has a right bundle branch block morphology (rSR pattern), which is due to aberrant ventricular conduction (aberration, aberrancy).ecgwaves.com/topic/aberrant-ventricular-conductio…Even though right bundle branch block aberrancy is more common than left bundle branch block aberrancy, both are possible. Additionally, we know that many patients have underlying bundle branch block, including bifascicular block, at baseline. When a patient with a bundle branch block experiences SVT the result is a wide complex tachycardia.www.aclsmedicaltraining.com/blog/svt-aberrancy-v…
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WEBAug 27, 2024 · Additionally, we know that many patients have underlying bundle branch block, including bifascicular block, at baseline. When a patient with a bundle branch block experiences SVT, the result is a wide …
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WEBNov 1, 2015 · Supraventricular tachycardia (SVT) refers to rapid rhythms that originate and are sustained in atrial or atrioventricular nodal tissue, and then transmit through the bundle of His and cause...
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WEBSupraventricular tachycardia (SVT) includes all forms of tachycardia that either arise above the bifurcation of the bundle of His or that have mechanisms dependent on the bundle of His. We conducted a review of …
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WEBOct 14, 2003 · If the diagnosis of SVT cannot be proven or cannot be made easily, then the patient should be treated as if VT were present. Wide QRS tachycardia can be divided into three groups: SVT with bundle-branch …
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