Block

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Related to sinoatrial block: atrioventricular block, exit block

Block

A segment of a town or city surrounded by streets and avenues on at least three sides and usually occupied by buildings, though it may be composed solely of vacant lots. The section of a city enclosed by streets that is described by a map which indicates how a portion of land will be subdivided.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The [alpha]-2 adrenergic agonists can cause bradycardia, decreased cardiac output, sinoatrial blocks, first and second grade of atrio-ventricular block, atrio-ventricular dissociation, and marked sinus arrhythmias.