What is Holter?
Holter monitor is a portable ECG device. It is used to monitor the electrical activity of heart continuously for 24 hrs (duration as per the doctors instructions) even at home or work place. Its working is similar to an ECG machine. Electrodes attached to Holter monitor are firmly attached to chest and abdomen. The heart activity in response to the electrical impulses is recorded and used to diagnose any heart conditions. This is particularly recommended if a person complains of any discomfort doing their routine activities like exercise or routine work. This is a really comfortable and accurate device for continuous monitoring of heart activity while doing routine activities or checking the functioning of a pacemaker.
If any abnormalities are observed in the recordings then further investigations are recommended by the doctor. There is no risk associated with using a Holter monitor still some precautions are advised by the health care professional before using it.
Why is Holter done?
- To assess heart rhythms to detect abnormal patterns indicating cardiovascular diseases
- To look for abnormalities that may affect normal heart function
- To monitor the activity of the heart after a heart attack
- To assess the risk of a heart attack
- To determine the condition of heart before starting a new cardiovascular (heart) medicine
- To determine if your medicine is working or if changes need to be made
- To help doctors to see why you might be experiencing symptoms of irregular heartbeat, like dizziness or fainting