Is ventricular tachycardia regular?

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Multiple Choice

Is ventricular tachycardia regular?

Ventricular tachycardia is typically regular because it arises from a single ventricular focus that drives the ventricles in a consistent, rhythmic pattern. In the common form, monomorphic VT, the impulse travels to the ventricles in the same way each beat, producing a rapid, wide-complex tachycardia with a nearly constant RR interval and a uniform QRS appearance. P waves are often hidden or dissociated, but the ventricular rhythm stays steady from beat to beat. Only in polymorphic VT, such as torsades de Pointes, do you see a changing QRS morphology and an irregular rhythm. So the best answer is that ventricular tachycardia is regular.

Ventricular tachycardia is typically regular because it arises from a single ventricular focus that drives the ventricles in a consistent, rhythmic pattern. In the common form, monomorphic VT, the impulse travels to the ventricles in the same way each beat, producing a rapid, wide-complex tachycardia with a nearly constant RR interval and a uniform QRS appearance. P waves are often hidden or dissociated, but the ventricular rhythm stays steady from beat to beat. Only in polymorphic VT, such as torsades de Pointes, do you see a changing QRS morphology and an irregular rhythm. So the best answer is that ventricular tachycardia is regular.

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