divisional block
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divisional block
arrest of the impulse in one of the assumed two main divisions of the left branch of the atrioventricular bundle; that is, in either the anterior (superior) division or the posterior (inferior) division.
Synonym(s): hemiblock
di·vi·sion·al block
(di-vizh'ŭn-ăl blok)Arrest of the impulse in one of the assumed two main divisions of the left branch of the bundle of His; i.e., in either the anterior (superior) division or the posterior (inferior) division.