Patient information

Designed with
you in mind

Why has my Doctor registered me with Zio XT?

Proven to detect irregular heart rhythms quickly and accurately

Zio is a cardiac monitoring service that is proven to detect irregular heart rhythms quickly and accurately. Because Zio is so discreet and comfortable, you can continue with your daily activities, even showering and exercising, assured that Zio is capturing every heartbeat.

2 million

in the UK, 2 million people a year experience an arrhythmia or heart rhythm problem

Find out more
about arrhythmia at the Arrhythmia Alliance

Find out more
about arrhythmia at the NHS

What is a cardiac arrhythmia?

Irregular heartbeat

Cardiac arrhythmia is the term used to describe an irregular heartbeat. You have been registered with a Zio monitor to establish to establish not only if you have an arrhythmia but also what type.

Our solution

Continuous, uninterrupted monitoring

Zio Xt Patient-friendly monitor

The Zio service was designed specifically to facilitate high patient compliance and allow data to be recorded uninterrupted and continuously for up to 14 days.

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No gaps in data due to patient-centric design

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Convenient button to mark episodes

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Patients can continue daily activities while wearing the Zio monitor, including showering and exercising.

Artificial Intelligence (AI) and 
our Zio deep learning algorithm

Developed in collaboration with the Stanford Machine Learning Group, our deep neural network can detect and identify 10 arrhythmia classes. Combining deep learning and classic machine learning capabilities with our expert cardiac technician review, Zio by iRhythm gives physicians and patients the assurance of expert-level accuracy in arrhythmia detection.

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10 arrhythmias classified

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Faster diagnosis and accelerated patient care

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Faster diagnosis and accelerated patient care

Want to know more about the Zio service

Download our patient information booklet

Here is some useful information about arrhythmias and the Zio service. If you have any questions, please do not hesitate to contact our Customer Services Team below.

Frequently asked questions

Have questions about Zio XT?

What should I do while wearing Zio?
For the first 24 hours post application, please avoid getting the Zio monitor wet or sweating excessively, i.e. during exercise. After that, carry on with regular activities. You can shower and exercise after the first 24 hours. Wear the Zio monitor for the length of time advised by your physician, but no longer than 14 days. The Zio monitor is recording and storing every heartbeat while you are wearing it. Your physician uses this data, analysed by iRhythm, to determine the right course of action for you. While working properly, the monitor 
will not flash or make any sound. If you have any questions, please call iRhythm Customer Services Team on 
0808 189 3411.
How do I record a symptom?
The Zio monitor is designed to record every heartbeat. While the Button Press Log is useful, pressing the button indicates that you felt symptoms at that time. Pressing the button on the Zio monitor when you feel a symptom is important, but the Zio monitor records every heartbeat whether you press the button or not. While recording the Zio monitor will not flash or make any sound. You can ensure it is active and recording by holding down on the button for 10 seconds. A green light will flash indicating it is working, and don’t worry, this won’t be recorded as a symptom.
What do I do with the Zio monitor after wear?
At the end of your instructed wear time it’s very important for you to send it to iRhythm Technologies the day you remove the monitor, so we can analyse your heart activity recorded by the monitor and provide the doctor your comprehensive Zio report. First, follow the monitor removal directions in your Patient Instructions and Button Press Log booklet. Then, simply place the Zio monitor in the convenient postage pre-paid return box, and post it back to us. The return address is already printed on the box. Please be sure to use the blue sticker included in the box to seal the box shut before sending it back to iRhythm.
Who do I call if I have any questions?

Call our customer services team on 0808 189 3411

Want to find out more?

Patient resources

Nationl Health Service

Arrhythmias or heart rhythm problems are experienced by more than 2 million people a year in the UK. Most people with an abnormal heart rhythm can lead a normal life if it is properly diagnosed.
FIND OUT MORE

Arrhythmia Alliance

Working together to improve the diagnosis, treatment and quality of life for all those affected by arrhythmias.

FIND OUT MORE

British heart foundation

An abnormal heart rhythm – also called an arrhythmia – means your heart is beating too fast, too slow, or with an irregular pattern.

FIND OUT MORE