- heart block
- nounrecurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat• Hypernyms: ↑cardiac arrhythmia, ↑arrhythmia
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noun: incoordination of the heartbeat in which the auricles and ventricles beat independently due to defective transmission through the atrioventricular bundle and which is marked by decreased cardiac output often with cerebral ischemia* * *
Pathol.a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat.[1900-05]* * *
heart block nounA condition in which the ventricle does not keep time with the atrium• • •Main Entry: ↑heart* * *
heart|block «HAHRT BLOK», noun, or heart block,an abnormal condition of the heart, caused by a blocking of the nervous tissue that conducts the contracting impulse from the auricle to the ventricle so that they act independently.
Useful english dictionary. 2012.