Zio at a glance.

Zio by iRhythm® is the easier way to monitor irregular heartbeats so physicians can get the information they need to make a quicker, more accurate diagnosis. Hundreds of thousands of people just like you have worn a Zio monitor—it was designed to be easy to use.

Enjoy this quick guide to the many resources on this site.

How to contact iRhythm directly.

Call 888-693-2401 or contact us via the easy to use online form.

Learn about arrhythmia and how it can be diagnosed.

Find out what an arrhythmia is and how a heart monitor can help accelerate treatment.

Visit Arrhythmia Alliance For More Information

Find additional patient resources for understanding heart rhythm disorders.

Discover the ease of Zio.

Simple Zio monitor instructions. Learn how easy it is to use.

Learn how to record symptoms on your computer or mobile device.

Provide information about your symptoms online or with the myZio app.

Learn how to troubleshoot your Zio monitor.

Check these FAQs for troubleshooting and more information regarding warnings, wear, fit, and removal.

Learn about insurance and billing.

Our insurance and billing page has all the information to assist you.

Find a doctor to prescribe Zio.

Find doctors in your area who prescribe Zio, or have iRhythm contact your doctor on your behalf.