Wearing a Holter Monitor in Ajax: A Patient Guide

A Holter monitor asks something unusual of you as a patient. Most heart tests happen in a room, with staff nearby, and are finished within the hour. A Holter test happens in your kitchen, at your desk, in the car, on the stairs and in your bed. You are the one carrying it, and for a few days the test becomes part of ordinary life.

That can feel a little strange at first, so this guide focuses on the lived side of the test: what to do before the fitting, how to get through the wearing period comfortably, and how to make the recording as useful as possible for your doctor. It is written for patients in Ajax and nearby communities who have been given a requisition for Holter monitoring through Durham Cardiology, the cardiology team at Rossland Diagnostic Clinic. If you would like a broader overview of every heart test our team offers, our article on heart testing in Ajax covers them side by side.

Why a test that lasts for days

Your heart’s rhythm is not fixed. It speeds up when you climb stairs, slows when you sleep and shifts with stress, caffeine, illness and many other everyday influences. Most of those changes are normal. Sometimes, though, a person notices something that does not feel right: a flutter, a pounding, a skipped beat, a spell of light-headedness. The difficulty is that these episodes often come and go. By the time you are sitting in an exam room, everything may feel perfectly calm.

A Holter monitor solves that timing problem. It is a portable device that records your heart rhythm continuously while you are awake and asleep, so your doctor can look at the electrical activity of your heart over an extended period rather than a few minutes. Durham Cardiology offers monitoring periods of 48 hours, 72 hours or 7 days. Your provider chooses the length based on how often your symptoms tend to appear and what they want to learn.

It is worth saying plainly: being sent for a Holter test does not mean your provider expects to find something serious. Often the goal is simply to match what you feel with what your heart is actually doing, and a normal recording can be very reassuring.

Before the fitting

Preparation is simple, and most of it is about your skin and your clothes.

Bring with you:

• your signed requisition
• your valid OHIP card

On the day:

• Arrive about 15 minutes early so registration does not eat into your fitting time.
• Skip cream, lotion or body oil on your chest and upper body. The sensors need clean skin to stay in place and pick up a clear signal for days at a time.
• Wear comfortable clothing, ideally a loose top that buttons or zips at the front. The device and its wires sit under your clothes, and a roomy shirt makes the first few hours easier.

If you would normally shower in the morning and you have been booked for a 48-hour device, consider showering before you come in. Showering is typically not permitted while wearing a 48-hour monitor, so a fresh start helps you feel comfortable through the wearing period. If you have a longer monitoring period, ask the team what applies to your device.

The fitting itself

The fitting takes about 15 minutes. A team member attaches small sensors to your chest and connects them to the recorder. They will explain how your specific monitor works, because devices differ, and they will tell you what you can and cannot do while you wear it.

This is the best moment to ask questions. Some people find it helpful to have a short list ready, such as:

• Can I get this monitor wet at all?
• What should I do if a sensor comes loose?
• How do I record when I have symptoms?
• When and where do I return it?
• Is there anything at home or work I should keep it away from?

Write the answers down or ask for them on paper if that helps you remember. Once you leave, you will be on your own with the device for a while, and clear instructions make that much easier.

Living with the monitor, day by day

The first evening

The first few hours are usually the most noticeable. You may be aware of the sensors on your skin and the weight of the recorder. Most people find that this fades as the day goes on.

Try to do what you would normally do. The whole point of the test is to capture your heart rhythm during real life, so there is no benefit in staying still or avoiding your usual routine unless the team has told you otherwise. If your symptoms tend to happen when you walk the dog, carry groceries or climb the stairs at work, those are exactly the moments your provider wants on the recording.

Sleeping

Sleep can take a little adjusting. A few ideas that patients often find helpful:

• Wear a soft, close-fitting top to bed to keep wires from tangling.
• Place the recorder where it will not be pulled if you roll over, following the guidance you were given.
• If you usually sleep on your front, you may be more comfortable on your back or side for a few nights.

Washing and grooming

Because getting the device wet can damage it or loosen the sensors, follow the specific instructions for your monitor. For a 48-hour device, showering is typically not permitted, so many people use a sponge wash, avoiding the chest area, until the monitor comes off.

Work, driving and daily tasks

Whether you commute out of Ajax each morning or work from home, you can usually go to work and carry on with ordinary tasks while wearing a Holter. If your job involves water, heavy equipment or anything that could pull on wires, mention it at the fitting so the team can advise you.

Keeping track of how you feel

The recording shows your heart’s electrical activity, but your doctor also needs to know what you were feeling and doing at the time. Matching symptoms to the rhythm is often the most valuable part of the whole test.

Your team will explain how to note symptoms with your particular device. Whatever the method, the same principles apply:

1. Note the time as precisely as you can.
2. Describe the feeling in your own words: fluttering, pounding, skipping, racing, dizziness, breathlessness.
3. Say what you were doing: resting, climbing stairs, eating, lying down, feeling stressed.
4. Note how long it lasted and how it ended.

It also helps to record the normal parts of your day in broad strokes, such as when you went to bed, when you exercised and when you had coffee. Your provider can then compare quiet stretches with busier ones.

When not to wait for the recording

A Holter monitor records your heart. It does not watch over you, alert anyone or call for help. If you feel unwell while wearing one, treat it exactly as you would if you were not wearing it.

Call 911 right away if you have:

• chest pain, pressure, tightness or discomfort, or pain spreading to the arm, neck, jaw or back
• severe shortness of breath
• fainting or nearly fainting
• signs of a possible stroke, such as a drooping face, weakness in an arm, or slurred or confused speech

Do not drive yourself to the clinic, and do not hold off because you are in the middle of a test. Emergency care comes first. The monitor can be dealt with later.

For symptoms that worry you but are not an emergency, contact your health-care provider.

Returning the device

At the end of the prescribed period, you return the monitor to the clinic. Your team will explain how and when at your fitting. A few tips:

• Keep the device and any accessories together in one place so nothing goes missing.
• If you are using a symptom record on paper, bring it with you.
• If a sensor came off at some point, mention it when you return the monitor.

Patients come to our Ajax location from Pickering, Whitby, Oshawa and across Durham Region, and the free parking and ground-floor entrance at 300 Rossland Road East make the drop-off quick. Our hours are Monday to Friday, 9:00am to 5:00pm, and Saturday, 8:00am to 3:30pm.

What happens with the data

Once the monitor is back, the recording is reviewed and a report is sent to the provider who ordered the test. They will go over the findings with you and explain whether anything further is needed. If you are curious about how imaging and test results generally travel back to your provider, our article on what happens after your scan explains the process.

Sometimes a provider orders another test afterward. That might be a different length of monitoring, a test of the heart’s structure such as an echocardiogram, or an exercise test. Each answers a different question, and needing one does not mean the Holter result was bad.

A quick checklist

Before your fitting:

• Signed requisition and OHIP card in your bag
• No lotion or cream on your chest and upper body
• Loose, comfortable top
• Shower beforehand if you will not be able to during the test
• A few questions written down

While you wear it:

• Keep to your usual routine
• Keep the device dry as instructed
• Note symptoms with the time and what you were doing
• Call 911 for chest pain, fainting, severe breathlessness or stroke signs

Afterward:

• Return the monitor and any symptom notes on time
• Book a follow-up with your provider to discuss the results

If you have a requisition for Holter monitoring, call Durham Cardiology at Rossland Diagnostic Clinic on 905-426-3111, or request an appointment and our team will be in touch to arrange your fitting.