cardiac arrhythmia

(redirected from sinus arrhythmia)
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Related to sinus arrhythmia: Sinus tachycardia

cardiac arrhythmia

[¦kärd·ē‚ak ā′rith·mē·ə]
(medicine)
Any disturbance or irregularity of the heartbeat.
References in periodicals archive ?
Second, the artery to the atrioventricular node arises from the right coronary 90% of the time, and any degree of new atrioventricular block suggests the right as the culprit; a caveat here is that inferior myocardial infarction, especially early in its course, often is accompanied by an increase in vagal tone that could be responsible, at least in part, for the atrioventricular block, as well as the marked sinus arrhythmia.
Baseline respiratory sinus arrhythmia and heart-rate responses during auditory stimulation of children with attention-deficit hyperactivity disorder.
In the first series of experiments, intravenous ouabain continuous infusion resulted in disturbances of cardiac rhythm progressing from sinus arrhythmia, premature ventricular and supraventricular polytopic extrasystoles to ventricular tachycardia, ventricular fibrillation or cardiac arrest, in all control guinea-pigs.
At my last physical examination and EKG my doctor told me that I have an incomplete right bundle branch block and a mild sinus arrhythmia.