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1. (n.) heart block
a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat.
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| Definition of 'heart block' |
Princeton's WordNet |
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1. (noun) heart block, Adams-Stokes syndrome, Stokes-Adams syndrome, atrioventricular block
recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat
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| Definition of 'heart block' |
U.S. National Library of Medicine |
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1. heart block
Impaired conduction of cardiac impulse that can occur anywhere along the conduction pathway, such as between the SINOATRIAL NODE and the right atrium (SA block) or between atria and ventricles (AV block). Heart blocks can be classified by the duration, frequency, or completeness of conduction block. Reversibility depends on the degree of structural or functional defects.
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Definitions of heart block 
