Arrhythmia

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...

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...