Founded in San Francisco, iRhythm Technologies focuses on developing and distributing advanced cardiac rhythm monitoring devices. Their core mission is to redefine the way cardiac arrhythmias are diagnosed, enhancing patient care through innovative technology. The company’s flagship product, the Zio monitor, is designed for patient comfort with features like waterproof housing and high breathability. iRhythm serves a diverse market including physicians, clinical staff, and patients across the United States.nniRhythm Technologies has analyzed over a billion hours of heartbeat data and published numerous peer-reviewed studies, underscoring their impact in the medical field.

Notable investors and affiliated individuals include prominent venture capital firms and experienced healthcare professionals. The company's achievements in patient compliance and data accuracy have significantly advanced cardiac care, making them a leader in the industry.