Heart Rhythm Problems (Arrythmias)

What is an arrhythmia?

An arrhythmia is a change in the regular beat of the heart. The heart may seem to skip a beat, beat irregularly, or beat very fast or very slowly.
Having an arrhythmia does not necessarily mean that a person has heart disease. Many arrhythmias occur in people who do not...
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Heart Rhythm Problems - Diagnosis & Treament

How are arrhythmias diagnosed?

Sometimes an arrhythmia can be detected by listening to the heart with a stethoscope. However, the electrocardiogram ( ECG or EKG) is the most precise method for diagnosing an arrhythmia. An arrhythmia may not occur at the time of the exam even though symptoms are...
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Heart Rhythm Problems - Causes & Types

Electric SystemWhat happens in the heart during an arrhythmia?

Describing how the heart beats normally helps to explain what happens during an arrhythmia.
The heart is a muscular pump divided into four chambers—two atria located on the top and two ventricles located on the bottom.

Normally each heartbeat...
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