iRhythm Technologies, Inc. is a digital healthcare company that provides ambulatory electrocardiogram (ECG) monitoring products in the US. Its Zio service is an ambulatory cardiac monitoring solution that helps doctors to monitor patients and diagnose arrhythmias through a patch-based and wearable biosensor with a cloud-based analytic platform. The company has a partnership with Verily Life Sciences LLC to develop next-generation atrial fibrillation screening, detection, or monitoring products.