iRhythm Holdings, Inc. is a digital healthcare company that creates trusted solutions that detect, predict, and prevent disease. The Company's principal business is the design, development, and commercialization of device-based technology to provide ambulatory cardiac monitoring services that allow clinicians to diagnose certain arrhythmias quicker and with greater efficiency than other services that rely on traditional technology. The Company provides Zio ambulatory cardiac monitoring services, including long-term continuous monitoring (LTCM), short-term continuous monitoring, and mobile cardiac telemetry (MCT) monitoring services, using a proprietary system that combines an FDA-cleared and CE-marked wire-free, patch-based, 14-day wearable biosensor that continuously records ECG data, with a proprietary FDA-cleared, CE-marked, Japan PDMA approved cloud-based data analytic software to help physicians monitor patients and diagnose arrhythmias.