cardiac arrhythmia

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Related to sinus arrhythmia: Sinus tachycardia

cardiac arrhythmia

A disturbance in the electrical impulses to the heart which results in an irregular rhythm or rate of heartbeat.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cardiac arrhythmia - an abnormal rate of muscle contractions in the heartcardiac arrhythmia - an abnormal rate of muscle contractions in the heart
cardiopathy, 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
References in periodicals archive ?
Marked sinus arrhythmia was completely dissociated from a regular accelerated idioventricular rhythm, so-called block-acceleration dissociation, i.
The consensus of opinion is that HF respiratory component of R-R interval variability primarily reflects respiration-driven vagal modulation of sinus arrhythmia (21).
This is a normal occurrence in healthy individuals and is known as a sinus arrhythmia.
Researchers compared peak-to-valley differences in respiratory sinus arrhythmia (RSA) to reflect autonomic nervous system functioning.