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A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may beat too fast or too slow. Or the pattern of the heartbeat may be inconsistent.
A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat. Some heart arrhythmias are harmless. Others may cause life-threatening symptoms.
There are times when it is OK to have a fast or slow heartb...
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A heart arrhythmia may not cause any symptoms. The irregular heartbeat may be noticed during a health checkup for another reason.
Symptoms of an arrhythmia may include:
To understand the cause of heart arrhythmias, it may help to know how the heart works.
The typical heart has four chambers.
The heart's electrical system controls the heartbeat. The heart's electrical signals start in a group of cells at the top of the heart called the sinus node. They pass through a p...
Treatment for a heart arrhythmia depends on whether the heart is beating too fast or too slow. Some heart arrhythmias do not need treatment. Your healthcare team may suggest regular checkups to watch your condition.
Heart arrhythmia treatment is usually only needed if the irregular heartbeat causes significant symptoms or puts you at risk of more-serious heart problems. Treatment for heart arrhythmias may include medicines, special actions called vagal maneuvers, procedures or surgery....
Lifestyle changes used to manage heart disease may help prevent heart arrhythmias. Try these heart-healthy tips:
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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