Fascicular VT in Anterior Infarction

Report:

Ventricular (fascicular) tachycardia 103/min

RBBB/LAHB morphology

Acute anterior infarction

Comment:

It is possible that the tachycardia is junctional, with aberrancy, except that lead 1 does not look right for RBBB, with or without LAHB; also, it is not particularly fast to provoke aberrant conduction.

Within minutes, it reverted to sinus rhythm and ventricular bigeminy (Fig 50a), with the same beats, now broader, as in the preceding VT. It can now be confirmed that the infarction is extensive, involving five chest leads, 1 and aVL. The inferior leads show marked reciprocal ST segment depression. The picture is typical of proximal LAD occlusion.

The RAD remained, with its rather unpleasant prognostic significance42 (Fig 50b).

50a. Sinus rhythm with bigeminal VEBs.

50b. One week later, frontal QRS axis +110o. 51. 32 year old man resuscitated from drowning.

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