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Holter Monitoring

The Cardiology Department at Aster Hospitals in Bangalore has a team of experienced professionals specializing in Holter monitoring. This medical test records the heart's electrical activity throughout 24 to 48 hours with the help of a minor, portable device called a Holter monitor. This monitor is attached to the chest with electrodes, and it records the heart's electrical activity to help detect heart rhythm problems or other cardiac issues. Holter monitoring is a non-invasive and painless procedure that provides in-depth information about the patient's heart health.

Individuals who experience arrhythmia, fainting without an apparent cause, or a condition that increases the likelihood of developing arrhythmias may be recommended by their healthcare providers to wear a Holter monitor.

Before the patient is advised to wear a Holter monitor, they undergo an ECG or EKG test. This quick and easy test involves placing sensors on the chest to analyze the heart's rhythm.

Health Conditions Treated

  • Arrhythmias

  • Cardiac arrest
  • Coronary heart disease
  • Heart valve problems
  • Pacemaker function
  • Syncope


At Aster Hospitals we provide the highest quality of care and a transformative experience for all your healthcare needs. With our network of multi-speciality hospitals, specialised doctors, and world-class technology, we bring global standards of medical care to our patients.

What is the Holter monitor test for?

Holter monitoring is a procedure that evaluates the heart's performance during routine activities. This test is also employed to diagnose heart rhythm issues that may cause symptoms like fainting or palpitations. It is often utilized after a heart attack.

How long do Holter monitor results take?

The timeline for receiving Holter monitor results can vary depending on the healthcare provider and their workload. Usually, it takes a minimum of a week to get the results. Following up with your healthcare provider for a precise estimate is best.

Can a Holter monitor detect blockage?

Yes, Holter monitors can help detect heart block and arrhythmia.

What is the minimum heart rate in Holter?

The minimum heart rate in Holter monitoring will differ depending on various factors, such as the individual's age, activity level, and general health.

A healthy adult's resting heart rate should be between 60 and 100 beats per minute (bpm). During Holter monitoring, the minimum heart rate can be recorded and analyzed to help diagnose any potential heart issues.

What not to do during the Holter test?

Avoid activities that may affect the accuracy of the test results. Do not do any excessive physical activity. Avoid any electromagnetic interference from cell phones and microwaves. It is crucial to keep it dry. Please refrain from wearing it while showering or swimming. Avoid getting it wet at all costs.

What do normal Holter monitor results indicate?

If your Holter monitor result is normal, it implies no significant changes in your heart's rhythm. It is common for most people to have occasional benign arrhythmias that do not result in any symptoms.

Which is better, ECG or Holter?

An ECG is a non-invasive test. It assesses the heart's electrical activity. In the testing process, sensors or electrodes are positioned on the chest to detect the electrical impulses produced by the heart with every beat. The data is converted into a visual display that a healthcare provider can review. Yet, it must be noted that while ECGs effectively detect many types of arrhythmias, they may not be able to catch infrequent ones. In these cases, a Holter Monitor may be recommended. This portable device is worn for some time, typically 24–48 hours, and continuously records the heart's activity. It allows for a more comprehensive evaluation of the heart's rhythm and can often detect irregularities that an ECG may have missed.

Can a Holter detect heart failure?

Yes, a Holter monitor can detect heart failure by continuously monitoring the heart's electrical activity. It allows doctors to detect any irregularities or abnormalities in the heart's rhythm and diagnose potential heart failure. But, a Holter Monitor is only one tool in diagnosing heart failure and should be used with other tests and exams.

Can a Holter monitor detect hypertension?

A Holter monitor is typically used to track heart activity over some time. While it may not directly detect hypertension, it can assess heart rate and rhythm, which can be crucial in diagnosing and managing high blood pressure. For personalized advice on monitoring and managing hypertension, it is recommended to consult with a healthcare professional.

 Does anxiety affect the Holter monitor?

It's understandable to have concerns about anxiety's effect on Holter monitor results. Yet, it's essential to know that anxiety may cause heart rate and rhythm changes, which the Monitor can potentially pick up.

Advanced Technology & Facilities

Holter Monitoring

Aster Hospitals’ Cardiac Department is a comprehensive facility that provides preventative, diagnostic, and therapeutic care.

  • A technician at Aster connects the heart monitor for Holter monitoring.
  • The technician will affix small, circular, adhesive patches called electrodes to your chest. Sometimes, they may need to shave men's chest to ensure the electrodes remain securely attached.
  • They assist in putting on the monitor and guides through connecting it to the electrodes. Additionally, they provide instructions on how to maintain the monitor correctly.
  • Individuals have the option to either keep the heart monitor in their pocket or bag or wear it using a strap similar to a purse.
  • While wearing the monitor, patients can do most of their usual activities without interruption.
  • The technician provides instructions on how to monitor your activities and symptoms. It is recommended to note symptoms such as chest pain, shortness of breath, and skipped or uneven heartbeats.
  • Take note of the time and activity you were engaged in when the symptoms occurred.
  • The doctor will compare changes in ECG with symptoms and activities.

After the 24- or 48-hour period, return the monitor to the technician. They will process your records, including the EKG and notes, and send a report to your healthcare provider. You can expect the test results within 7 to 14 days.

The good news is that a Holter monitor is safe and painless. The electrodes are attached to your chest using tape, which might cause some itchiness or irritation. If you have any allergies to tapes or adhesives, it's essential to inform your provider.


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