Key result
Bundle branch reentrant ventricular tachycardia typically presents with a left bundle branch block pattern and rates around 200 beats/min, often resulting in syncope or sudden cardiac arrest.
Case Report (n=1)
Describes the presentation and mechanism of bundle branch reentrant ventricular tachycardia in a patient with complete heart block and no ventricular escape.
Clinicians should consider this mechanism in complete heart block; extends sparse case evidence but leaves optimal management open.
Bundle branch reentrant ventricular tachycardia (BBRVT) is a form of macroreentry using the cardiac conduction system to produce a ventricular tachycardia (VT) circuit. The most common form of bundle branch reentry involves antegrade conduction over the right bundle branch and retrograde conduction over the left bundle branch. This typically results in a left bundle branch block (LBBB) pattern electrocardiogram with rates in the 200 beats/min range, often resulting in syncope or sudden cardiac arrest.
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Pandat et al. (2023) conducted a case report in Bundle branch reentrant ventricular tachycardia (n=1). Bundle branch reentrant ventricular tachycardia typically presents with a left bundle branch block pattern and rates around 200 beats/min, often resulting in syncope or sudden cardiac arrest.
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