cardiac arrhythmia

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Related to Heart arrhythmia: heart murmur, Heart palpitations

car·di·ac dys·rhyth·mi·a

any abnormality in the rate, regularity, or sequence of cardiac activation.

cardiac arrhythmia

Etymology: Gk, kardia + a + rhythmos, without rhythm
an abnormal cardiac rate or rhythm. The condition is caused by a failure of the sinus node to maintain its pacemaker function or by a defect in the electrical conduction system. Examples of arrhythmia include bradycardia, ectopic beat, heart block, and tachycardia.

cardiac arrhythmia

Cardiology Any defect in the heart's electrical activity, which may be detectable only by EKG, or manifest as an abnormality in rate, rhythm, or sequence of cardiac events Clinical From asymptomatic to palpitations, syncope, etc

car·di·ac dys·rhyth·mi·a

(kahr'dē-ak dis-ridh'mē-ă)
Any abnormality in the rate, regularity, or sequence of cardiac activation.

Cardiac arrhythmia

An irregular heart rate or rhythm.

cardiac arrhythmia

abnormal heart muscle contraction rates, e.g. atrial fibrillation and ventricular tachycardia

arrhythmia

variation from the normal rhythm, especially of the heartbeat. See also bradycardia, tachycardia.

atrial arrhythmia
see atrial flutter, atrial fibrillation.
bradycardic arrhythmia
benign arrhythmia
one which is clinically insignificant.
cardiac arrhythmia
irregularity of the normal heart rhythm, either in frequency or amplitude, or almost always both.
exercise-induced arrhythmia
a cause of poor racing performance or sudden death while racing; detectable only by telemetered electrocardiography.
sinus arrhythmia
the physiological cyclic variation in heart rate related to vagal impulses to the sinoatrial node.
supraventricular a's
see sinoatrial arrest, atrial tachycardia, supraventricular tachycardia, atrial fibrillation.
ventricular a's
see premature heartbeats, ventricular tachycardia, ventricular fibrillation.
References in periodicals archive ?
It provides an effective and safe treatment option for patients whose heart arrhythmias are insufficiently controlled with medication.
Traditional heart arrhythmia monitors are worn in a harness and are as heavy as a brick.
TZ Medical's Aera CT device improves the ability to detect heart arrhythmias during normal day-to-day activities, and over long periods of time.
Yet it is clear that people are increasingly having disabling health problems from wireless technology exposure, including sleep problems, headaches, neurological problems and heart arrhythmia.
If your heart has been racing, you may have joined the ranks of the two million Americans with atrial fibrillation (AFib), the most common heart arrhythmia in the U.
Patients with a common heart arrhythmia are less likely to end up in a hospital if given Sanofi-Aventis SA's experimental drug Multaq, scientists said on Thursday.
But the hormone also raises the risk of heart arrhythmia, osteoporosis, and muscle damage, so researchers have attempted to create a stand-in that would avoid the side effects.
The non-invasive procedure can reveal if a baby isn't receiving enough oxygen or has a heart arrhythmia by recording a baby's electrocardiogram (ECG) trace very accurately.
In other cases it causes severe heart arrhythmia, a wildly erratic heartbeat which leads to a fatal heart attack.
Russell Bestley, Portsmouth, United Kingdom Bestley has a pacemaker to treat a heart arrhythmia.
The HeartLight Endoscopic Ablation System is a catheter ablation technology designed for the treatment of atrial fibrillation, the most common heart arrhythmia.
A limit of the study, Pavri said, is that there was no information on how often the ICDs may have delivered inappropriate shocks - where the device mistakenly detects a dangerous heart arrhythmia and gives a needless and painful shock.