In dictionaries:
fascicular heart block
Left anterior fascicular block
an abnormal condition of the left ventricle of the heart, related to, but distinguished from, left bundle branch block.
Left posterior fascicular block
A left posterior fascicular block, also known as left posterior hemiblock, is a condition where the left posterior fascicle, which travels to the inferior and posterior portion of the left ventricle, does not conduct the electrical impulses from the atrioventricular node.
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