Fast Ventricular Tachycardia with Visible AV Dissociation

Report:

Ventricular tachycardia 214/min

AV dissociation

Comment:

The morphology is somewhat equivocal, V1 showing RR’ complexes with right rabbit ear taller than the left; nevertheless, they are essentially monophasic and over 0.14”, favouring ectopic origin rather than RBBB aberrancy. The LAD is non-contributory.

There is also some mappable dissociated atrial activity in the rhythm strip. Most likely it represents sinus P waves, but retrograde conduction subject to some kind of VA block cannot be excluded.

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