Arrhythmia | Irregular Heartbeat

Heart specialists at MaineHealth evaluate, diagnose and treat arrhythmias, which are abnormal heart rhythms. We bring expert cardiac care to community hospitals, so that patients can get treatment for abnormal heart rhythms close to home.

What is arrhythmia?

Arrhythmias are caused by problems in the electrical system of the heart. When electrical impulses do not travel normally through the heart, this causes abnormal heart rhythms, or arrhythmias. The heart can beat too slowly, which is called bradycardia. The heart can beat too fast, which is called tachycardia. Or, the heart can stop altogether, which is called sudden cardiac death syndrome.

The most common type of serious arrhythmia is atrial fibrillation, or AFib. AFib is an irregular heart rhythm that is often very fast. People with atrial fibrillation are at higher risk of stroke.

Do you have questions about heart health?

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Cardiovascular Institute at Maine Medical Center

Nationally Recognized Cardiac Center

The Cardiovascular Institute at Maine Medical Center is a nationally recognized cardiac center that offers treatment to both adults and children for arrhythmias.


Learn more here

Arrhythmia Symptoms

Common Symptoms of Arrhythmia

  • Feeling your heart flutter

  • Chest pain

  • Fainting

  • Feeling dizzy

  • Feeling breathless or short of breath

Arrythmia Diagnosis

Common Tests for Diagnosing Arrhythmia

  • EKG/ECG (electrocardiogram)
  • Holter Monitor (portable EKG/ECG)
  • Echocardiogram
  • Event Monitor
  • Stress Test

Arrhythmia Treatments

Arrhythmia treatment

If you are having arrhythmia symptoms, make an appointment with your primary care doctor or family healthcare provider. Your doctor may refer you to a cardiologist.

Treating arrhythmia may include making lifestyle changes, medications, special devices and / or minimally invasive procedures to help the heart beat normally.

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