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Pronunciation (US): 

 Dictionary entry overview: What does arrhythmia mean? 

  The noun ARRHYTHMIA has 1 sense:

1. an abnormal rate of muscle contractions in the heart

  Familiarity information: ARRHYTHMIA used as a noun is very rare.

 Dictionary entry details 


Sense 1arrhythmia [BACK TO TOP]


An abnormal rate of muscle contractions in the heart

Classified under:

Nouns denoting stable states of affairs


arrhythmia; cardiac arrhythmia

Hypernyms ("arrhythmia" is a kind of...):

cardiopathy; heart condition; heart disease (a disease of the heart)

Hyponyms (each of the following is a kind of "arrhythmia"):

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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