QRS Diagnostic, LLC
QRS Diagnostic, LLC (QRS Diagnostic), a privately held medical device company, is engaged in the designing and development of software-based medical devices, built into computer cards and USB modules. The company develops PC-based software for medical devices used for home health care, disease management, and personal health management. Its product line includes electrocardiograms ECG/EKG, spirometers, pulse oximeters, blood pressure meters and vitals. It sells its products with the brand name of SpiroCard, OxiCard, SpirOxCard, Universal ECG. The company is headquartered in Minnesota, United States.