a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat.
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How to use heart block in a sentence
We may define heart block as the condition in which the auricles and ventricles beat independently of each other.
In this manner we are able to distinguish between functional and organic heart block.
Overdosing with digitalis has produced partial heart block in many cases.
Digitalis has been found to produce partial to complete heart block when therapeutically administered.
British Dictionary definitions for heart block
impaired conduction or blocking of the impulse that regulates the heartbeat, resulting in a lack of coordination between the beating of the atria and the ventricles: Also called: Adams-Stokes syndrome, atrioventricular block
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012