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What is Which of the following results in broad complex tachycardia? and explain in detail?
Antidromic conduction in AP mediated tachycardia results in broad complex tachycardia as the impulses travel in the ventricles inter-myocyte conduction. Speed of conduction of inter-myocyte conduction is less than that of purkinje network leading to broad complex tachycardia. Choices B, C and D result in narrow complex tachycardia. Impoant causes of broad complex tachycardia- Antidromic conduction in WPW Monomorphic VT Torsades de pointes/ Polymorphic Ventricular tachycardia