The results stand out. The monitor doesn't

Introducing the next-generation Zio monitor.

Designed with patients in mind, the new monitor is more breathable, features waterproof housing,1,2 and is built on the industry-leading performance of Zio XT to deliver an astounding 99% patient compliance.3
72% smaller, 62% lighter, and 23% thinner

The Zio service is redefining the way cardiac arrhythmias are diagnosed.

The cardiac monitoring service that changed the game.

We set out to do three things:
Create a user-friendly heart monitor that minimizes disruption to a patient's life.9
Create a continuous heart monitor that could be worn for up to 14 days.
Create a service that would provide continuous, uninterrupted recording with accurate data unseen in the industry.10-15

“The monitor was so easy to use. It did all the work for me.”

Mary Sue,
Zio patient

How does the Zio service work?

Physician prescribes a Zio ambulatory ECG monitor and the monitor is applied to the patient at home or in-clinic.
Patient wears the Zio ambulatory ECG monitor and then mails it back to iRhythm.16
iRhythm analyzes the data.
Physician receives a high-quality, actionable end-of-wear report.

Let's Talk

  1. Data on file. iRhythm Technologies, 2017, 2023.
  2. The Zio monitor patch should not be submerged in water. During a bath, keep the device above water.
  3. Data on file. iRhythm Technologies, 2022.
  4. Data on file. iRhythm Technologies, 2023.
  5. Compared to previous generation.
  6. Volume reflected in the device housing.
  7. Data on file. iRhythm Technologies. 2022.
  8. Form 10-K 2022. iRhythm Technologies, 2022. Retrieved from
  9. Barrett, et al., Comparison of 24-hour Holter Monitoring with 14-day Novel Adhesive Patch Electrocardiographic Monitoring. American Journal of Medicine, 2014.
  1. Zio AT Clinical Reference Manual. iRhythm Technologies, 2020.
  2. Continuous, uninterrupted refers to the recording of ECG data. Zio AT Gateway transmissions may be impacted by a variety of factors. See Product Labeling for more information.
  3. Zio AT is contraindicated for critical care patients.
  4. Do not use Zio AT for patients with symptomatic episodes where variations in cardiac performance could result in immediate danger to the patient or when real-time or in-patient monitoring should be prescribed. Refer to the Zio AT labeling and Clinical Reference Manual for full contraindications.
  5. Zio XT Clinical Reference Manual. iRhythm Technologies, 2019.
  6. Zio monitor Clinical Reference Manual. iRhythm Technologies, 2021.
  7. Zio AT also provides wear-time transmission reports and daily reports.