iRhythm Technologies, Inc. is a digital healthcare enterprise dedicated to offering portable electrocardiogram (ECG) monitoring solutions to individuals in the United States who face the risk of cardiac arrhythmias. Its primary offering, the Zio service, provides a comprehensive ambulatory cardiac monitoring system. This system ingeniously combines a wireless, patch-based, and wearable biosensor—specifically embodied in products like the Zio XT and AT monitors—with a sophisticated cloud-based data analysis platform.