What Is Left Anterior Fascicular Block?

Q:
What is left anterior fascicular block?

A:
Left anterior fascicular block is a cardiac condition which characterized by delay in transmission of impulse across the cardiac muscles, resulting in delayed pumping activity of the heart.

This condition can be easily identified through an ECG. Also referred to as the left anterior hemiblock, this condition is brought about by a defect on the anterior half of the bundle of his, which comprises of special group of cells responsible for transmission of electrical impulse from the AV node to the apex of the heart.

This condition is often associated and observed in acute cases of myocardial infarction. The condition is also associated with valvular disorder, cardio-myopathies, hypertension and degenerative fibrotic disease.

Keyword: left anterior fascicular block

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