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Holter Monitoring Devices

Holter Monitoring Devices

Holter Monitoring Devices

Holter Monitoring Device

Our Holter monitor solutions are easy to use, deliver an optimal patient experience, and provide EHR compatibility. These ambulatory electrocardiography devices are worn by patients for at least twenty-four hours for cardiac rhythm monitoring to help detect irregular heartbeats (arrhythmias). Shop Holter monitoring devices from manufacturers such as Welch Allyn.

Welch Allyn

H3+™ Digital Holter Monitor

The H3+ weighs just 1 oz—so small, patients will hardly notice it's there!

  • Features a full graphic display to preview ECG waveforms during patient hookup
  • Compatible with the Burdick Vision 5 Holter analysis system featuring best-in-class Veritas signal processing and analysis capabilities

Product Details and Ordering

H3+™ Digital Holter Monitor

Purchase your Holter Monitoring Device From Henry Schein Medical

We understand that sometimes a proper diagnosis may take more than just an office visit. Symptoms may not appear until after your patient has left their appointment. Our selection of Holter monitoring devices and systems can be worn for up to seventy-two hours to monitor patient's heart rate and collect sufficient data for an accurate diagnosis. Our products are designed with easy-to-use technology and patient comfort in mind.

Once you've selected the holter monitor device that best fits your health care facility needs, contact our equipment specialists regarding any questions. Our specialist will be with you throughout the purchasing journey offering expert advice and guidance.

A Guide on Communicating Holter Monitor Info to Patients

As a healthcare professional, it's essential to effectively communicate complex medical information to your patients. Learn some common questions regarding Holter Monitors to help keep patients informed.

What is a Holter Monitor?

A Holter monitor is a small, portable device that we use to monitor and record heart activity over an extended period. It's named after Dr. Norman Holter, who played a crucial role in developing this device. By using a Holter monitor, medical professionals can assess the electrical activity of the heart outside of the clinical setting.

How Does a Holter Monitor Device Work?

During the monitoring period, medical professionals will attach several electrodes to a patient's chest using adhesive patches. These electrodes are connected to a small recording device, which you can conveniently wear on your body, typically on a belt or shoulder strap. Throughout the monitoring period, the Holter monitor will continuously record the heart's electrical signals.

Why is a Holter Monitor Used?

Holter monitors gather a comprehensive view of the heart's activity throughout the patient's daily routine. This tool allows us to identify any irregularities that may not be detected during a routine office visit or short-term monitoring. By analyzing the recorded data, doctors can better understand the heart's behavior and make more accurate diagnoses and treatment plans.

What can a Holter Monitor Detect in your Patients?

Holter monitors provide valuable information about a patient's heart function and can help diagnose a wide range of cardiac conditions, including:


Irregular heartbeats, such as atrial fibrillation, ventricular tachycardia, and bradycardia

Heart block

Occurs when the electrical signals that control the heart's rhythm are delayed or blocked, causing the heart to beat too slowly.

Coronary artery disease

Abnormalities in the heart's electrical activity that may indicate a lack of blood flow to the heart muscle.


A Holter monitor can capture data during a fainting episode and help determine if it was caused by a heart condition.

Pacemaker function

A Holter monitor can evaluate the device's function and programming.

How Long do Patients Usually Wear a Holter Monitor?

Holter monitors are worn by patients for 24-48 hours or longer. The duration in which a patient wears the monitor depends on the individual condition and the reason for the monitoring.

For example, if a patient is experiencing symptoms such as palpitations or lightheadedness, a doctor may recommend wearing a Holter monitor for 24-48 hours to capture any potential abnormalities. In other cases, such as monitoring for arrhythmias, a doctor may recommend wearing the monitor for a longer period of time, up to several weeks, to capture any intermittent episodes.

Ultimately, the duration of wear should be determined by the prescribing physician based on the individual patient's needs and medical history.

Do Patients Sleep with a Holter Monitor On?

Patients are typically advised to wear the Holter monitor continuously, including during sleep, to capture any potential abnormalities in heart rate or rhythm that may occur at night.

Patients should try to maintain their normal daily routines, including physical activities and sleep patterns. They should also avoid activities that could interfere with the monitoring, such as showering or bathing, and should avoid exposing the monitor to moisture.

It's important to provide your patient with clear instructions on how to properly attach and remove the electrodes, how to keep the device dry, and what to do if they experience any discomfort or problems during the monitoring period.

How do Patients Sleep with a Holter Monitor?

Patients are usually instructed to wear the device throughout the night. Electrodes are secured with adhesive patches, which can be uncomfortable for some patients. However, the patches are designed to be as minimally invasive as possible and should not interfere with the patient's ability to sleep.

Some patients may experience difficulty sleeping due to the presence of the Holter monitor or the adhesive patches however, the Holter monitor should not significantly disrupt a patient's ability to rest.

How Do Patients Prepare for a Holter Monitor?

  1. Encourage your patient to wear loose-fitting, comfortable clothing. Tight clothing can interfere with the monitor's readings.
  2. Tell your patient to avoid applying creams, lotions, or oils to their chest area. These substances can interfere with the electrodes' ability to stick to the skin.
  3. Encourage your patient to take a shower or bath before the test. This will ensure that their skin is clean and dry, which will help the electrodes stick better.
  4. Ask your patient to keep a diary of their activities and symptoms during the testing period. This will help you correlate any changes in heart rhythm with their daily activities.
  5. Advise your patient to avoid magnets and metal detectors while wearing the monitor, as they can interfere with the device's function.
  6. Instruct your patient to return the monitor on time, as it needs to be downloaded and analyzed by a technician or cardiologist.

By following these simple instructions, your patient can prepare for a Holter monitor and ensure that the test provides accurate and valuable information about their heart's rhythm.

Patient Risks and Holter Monitors?

Holter monitoring is considered safe and non-invasive, with no significant risks associated with the procedure. A few minor risks to consider:

Skin irritation

The adhesive used to attach the electrodes to the skin can cause skin irritation or an allergic reaction. The electrodes should be removed if this occurs.


Patients may experience mild discomfort from the electrodes. This discomfort can often be relieved by adjusting the electrodes or wearing looser clothing.


Wearing a Holter monitor can be inconvenient for some patients, as they may need to wear it for an extended period of time, and it may interfere with their daily activities.

As a doctor, it's essential to inform your patients of the risks and benefits of the procedure and address any concerns they may have.

Does a Holter monitor hurt?

The Holter monitor is not painful to wear. The electrodes may feel a little strange at first, but most patients get used to them quickly. The Holter monitor is also very small and lightweight, so it is not uncomfortable to wear.

When would a Holter monitor not be Used?

  • If you need urgent treatment for heart symptoms, such as chest pain or shortness of breath
  • If you have a known heart condition and your doctor is able to diagnose the condition using other tests, such as an electrocardiogram (EKG) or echocardiogram
  • If you are unable to follow the instructions for wearing and caring for the Holter monitor

EKG machine vs. Holter monitor

An EKG machine and a Holter monitor are both devices that are used to record the electrical activity of the heart. However, there are some key differences between the two devices.

EKG machine

  • An EKG machine is a stationary device that is used to record a short period of time of the heart's electrical activity, typically 10–30 seconds
  • EKG machines are commonly used in hospitals, doctors' offices, and clinics
  • EKG machines are used to diagnose a variety of heart conditions, including arrhythmias, heart attacks, and heart failure

Holter monitor

  • A Holter monitor is a portable device that is used to record the heart's electrical activity for a longer period of time, typically 24–48 hours
  • Holter monitors are commonly used when an EKG machine is not able to provide enough information about the heart's electrical activity, or when there is a suspicion of intermittent heart problems
  • Holter monitors are used to diagnose a variety of heart conditions, including arrhythmias, heart attacks, and heart failure

Parts of a Holter monitor

A Holter monitor typically consists of the following parts:

  • Electrodes: Electrodes are small, sticky patches that are placed on the chest to record the heart's electrical activity
  • Wires: Wires connect the electrodes to the Holter monitor
  • Holter monitor: The Holter monitor is a small, lightweight device that records the heart's electrical activity
  • Battery: The Holter monitor is powered by a battery
  • Software: Software is used to analyze the data recorded by the Holter monitor

Some Holter monitors may also have additional features, such as:

  • Display: A display allows the patient to see their heart rhythm in real time
  • Event button: An event button allows the patient to mark specific times on the recording, such as when they experience symptoms or take medication
  • Memory card: A memory card allows the patient to store the recording on a memory card, which can then be transferred to a computer for analysis