Holter monitor

A Holter monitor is a small machine worn for a day or more to continuously record the heart's electrical activity of the heart.

Holter monitor

Indications

Holter monitors are used to help diagnose heart rhythm problems or arrhythmias. It can show racing heartbeats, slow heartbeats, skipping heartbeats, fluttering heartbeats (palpitations), and fainting.

How does it work?

• When you get a Holter monitor, your healthcare provider puts small, sticky pads (electrodes) on your chest.
• These connect to the monitor.
• The monitor attaches to a belt or shoulder strap.
• You need to keep the device on for at least 24 to 48 hours.

Tips while using Holter monitor

• Try to sleep on your back.
• Don’t take a shower but a sponge bath is acceptable.
• Follow your normal routine.

Holter monitor

• If an electrode falls off or the unit makes noise, call your doctor

While wearing the device, avoid:

• Electric blankets
• High-voltage areas
• Magnets
• Metal detectors

The picture shows a Holter monitor with leads and body strap

Gallery

• 
  A 5-electrode Holter
• 
  A Holter monitor can be worn for many days without causing significant discomfort.
• 
  A Holter monitor with a US quarter dollar coin to show scale
• 
  Holter monitor can be worn with bra, with no discomfort.

Call your doctor when

If you experience any symptoms such as:

• Dizziness or lightheadedness
• Chest pain
• Shortness of breath
• Strong fluttering heartbeats

Heart rhythms recorder by Holter

• Atrial fibrillation or flutter
• Multifocal atrial tachycardia
• Paroxysmal supraventricular tachycardia
• Slow heart rate (bradycardia)
• Ventricular tachycardia

Normal Holter monitor results

Normal variations in heart rate occur with activities. A normal Holter monitor result shows no significant changes in heart rhythms or pattern.

Abnormal results

Abnormal results may include various arrhythmias such as those listed above. Some changes may mean that the heart is not getting enough oxygen.

Risks of Holter monitor

Other than the uncommon skin reaction, there are no risks associated with the test. However, you should be sure not to let the monitor get wet.

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