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“iRhythm was founded on a fundamental desire to enable arrhythmia diagnosis for all patients as early as possible in their course."

Uday Kumar, MD,

ZIO® XT Patch


ZIO® XT Patch

A recent study by Barrett et al showed that 4 out of 5 patients who had worn a Holter monitor for 24 hours, and a ZIO Patch for up to 14 days, preferred the ZIO Patch. This study also showed a 57% greater diagnostic yield than the Holter monitor, primarily due to prolonged monitoring.1

Designed with the patient in mind, the ZIO XT Patch is noninvasive, water-resistant, has no leads or wires, and is discrete to wear.

The ZIO XT Patch continuously records heartbeats for up to 14 days - including during sleep, in the shower, and during moderate exercise - and has a large button on top for patients to capture symptomatic events.

To support the patient and clinical staff members during the monitoring period, the highly-trained staff at the iRhythm Clinical Centers (iCC) is available 24 hours/day, 7 days/week at 888.693.2401.

The ZIO Service includes the FDA-cleared ZIO XT Patch, proprietary algorithms, and the ZIO Report. For more information on the ZIO Service, click here.

CAUTION: Federal (USA) law restricts the sale of this device to or on the order of a physician.



1 Barrett, P., Komatireddy, R., Haaser, S. et al. Comparison of 24 hour Holter monitoring versus 14 day novel adhesive patch electrocardiographic monitoring. Am J Med. 2014;127: 95.e11-95.e17.