VivaQuant, Inc.

VivaQuant, Inc. (operating as Rhythm Express) is a remote cardiac monitoring company specializing in portable, wireless ECG/cardiac monitoring solutions for healthcare providers and patients. Their flagship product, the RX-1 mini, is an all-in-one, water-resistant (IP64) wearable device designed for continuous cardiac monitoring with uninterrupted data collection. The device combines multiple monitoring capabilities in a single compact form factor, enabling seamless patient compliance through lifestyle-compatible design, including shower capability. The company serves over 600 clinics and healthcare facilities nationwide, with a track record of monitoring 600,000+ patients. Rhythm Express delivers comprehensive cardiac data analysis, including enhanced P-wave detection, with actionable reporting available typically within 24–48 hours and event notifications within 20 minutes. The platform integrates dual connectivity (cellular and Wi-Fi) for real-time data transmission and includes a cloud-based portal for clinician workflow integration. Business model offerings include subscription-based pricing, fee-for-service, and split-bill arrangements, designed to minimize upfront costs and provide predictable monthly pricing without hidden fees. The company provides 24/7 technical support and continuous device/software updates. Based in Arden Hills, Minnesota, VivaQuant delivers cardiac monitoring solutions positioned at the intersection of remote patient monitoring, home healthcare, and cardiology practice efficiency. Products are designed for both in-home patient monitoring and clinical practice settings.