ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  cardiac arrhythmia - an abnormal rate of muscle contractions in the heartcardiopathy, heart disease - a disease of the heart flutter - abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block cantering rhythm, gallop rhythm - cardiac rhythm characterized by the presence of an extra sound; can indicate a heart abnormality atrial fibrillation - fibrillation of the muscles of the atria of the heart bradycardia - abnormally slow heartbeat Adams-Stokes syndrome, atrioventricular block, heart block, Stokes-Adams syndrome - recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat premature ventricular contraction, PVC - irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation tachycardia - abnormally rapid heartbeat (over 100 beats per minute) ventricular fibrillation - fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest |
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