cardiac arrhythmia

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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 ?
Yet, the major Cardiac Arrythmia Suppression Trial, started in 1987, indicated that the drugs only produced more deaths.
it may lead to life-threatening effects including cardiac arrythmia, renal failure, acidosis, hypertension, fluid loss and coma.
If wire fragments migrate into the vicinity of the posterior neurovascular bundle, they have the potential to lacerate the popliteal vessels and migrate distally via either the venous or arterial system and act as emboli causing damage to distal vessels or cardiac complications such as cardiac arrythmia, pericardial tamponade, and death.
Thyroxine treatment is believed to be fairly safe, but overdosing in the elderly can increase their risk for cardiac arrythmia or osteoporosis.
Routine intrapartum suctioning did not prevent meconium aspiration syndrome, and in rare cases it traumatized the nasopharynx or caused a cardiac arrythmia (Lancet 2004;364:597-602).
However, among possible causes is this - in a small number of adults there is some cardiac arrythmia (heartbeat irregularity) of unknown cause.

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