Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
A disturbance in the electrical impulses to the heart which results in an irregular rhythm or rate of heartbeat.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
Switch to new thesaurus
|Noun||1.||cardiac arrhythmia - an abnormal rate of muscle contractions in 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.