cardiac arrhythmia

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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 ?
What was unclear, however, was whether levels that were high but still within the normal range could also increase the risk of irregular heartbeat.
At the time he said: "I was given an examination and an ECG and it said I had an irregular heartbeat so I was sent to hospital and I was kept in overnight.
Is having an irregular heartbeat always dangerous to your health?
After one year, there was no difference in irregular heartbeats between the two groups.
Fighting-fit James used to run two miles every day before an irregular heartbeat changed his life.
Irregular heartbeat, also known as atrial fibrillation (AF), occurs when the heart beats out of synch or is abnormally fast.
They found he is suffering from an irregular heartbeat, so he'll go to New market next week for further examination and treatment," he added.
Rebraca had surgery during the season to alleviate an irregular heartbeat and the recent shortness of breath is considered normal after the surgery.
Patients should stop taking Glumetza(TM) and call their doctor right away if they feel very weak or tired, or have unusual muscle pain, trouble breathing, stomach pain with nausea and vomiting, diarrhea or feel cold - especially in their arms and legs - or if they feel dizzy or lightheaded, or have a slow or irregular heartbeat, or a medical condition suddenly changes.
His respiration decreased and he developed an irregular heartbeat.
Microlife's patented irregular heartbeat technology is available in two different models of its blood pressure monitors.
It was later discovered he was suffering from an irregular heartbeat, and connections felt he might have become anxious after banging his chest when he was loaded into the stalls.