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[edit | edit source]

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?[edit | edit source]

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[edit | edit source]

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[edit | edit source]

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[edit | edit source]

If you experience any symptoms such as:

Dizziness or lightheadedness
Chest pain
Shortness of breath
Strong fluttering heartbeats

Heart rhythms recorder by Holter[edit | edit source]

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

Normal Holter monitor results[edit | edit source]

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

Abnormal results[edit | edit source]

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[edit | edit source]

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.

Holter monitor Resources
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