Merge Cardio is a software medical device that is an integrated multi-modality image cardiovascular information management system. The Merge Cardio system is intended to allow authorized health care professionals the ability to import, export, review, analyze, quantify, report and manage digital cardiovascular images, documents, and data related to cardiology. The study list supports workflow management by providing a robust study list with configurable informational columns supporting navigation, current study and reporting status, and prior study availability and relevancy. The system offers standard image controls such as brightness, contrast, zoom, and cine playback controls; as well modality specific tools such as R-wave sync and frame rate sync. The system allows users to review images, annotate images, perform digital subtraction on XA images, perform quantitative measurements on images (based on modality and anatomy including quantitative coronary analysis, left ventricular analysis, distance, angle, velocity, slope, area, velocity time integral, and volume), derive US measurements, and generate clinical reports. The system provides the ability to create clinical reports for Adult Echo, Pediatric Echo, Vascular US, Nuclear Medicine, Cath/Peripheral Invasive, Electrophysiology, Cardiac CT, and Cardiac MR. Merge Cardio runs on standard information technology hardware and software, using standard technology operating systems and user interfaces. Communication and data exchange are done using standard protocols.