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Posts Tagged ‘ventricular tachycardia with aberrancy’

Aberrant cardiac conduction can occur in any of the specialized cardiac conduction tissues. Rate dependent aberrancy is the most common cause of aberrant conduction.

Generally it is thought only supra ventricular impulses can undergo aberrant conduction. But it is not always true.

Many of the ventricular tachycardia which  have inherently wide QRS complex can further widen their QRS width when it conducts fast down stream.This is especially true  in many of the septal VTs and fascicular VT  which  are falsely diagnosed as myocardial VT. These proximal VTs which other wise would have been a narrow QRS VT are converted into wide QRS VT by functional aberration .

Message :

Don’t always think SVT only has a potential to undergo with aberrancy

The VTs also can  behave similarly.

 

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