A portable (moveable from one location to another, and easily reassembled) general-purpose diagnostic fluoroscopic x-ray system that uses real-time digital techniques for image capture, display and manipulation and is specifically designed to be used in a variety of general-purpose applications requiring real-time fluoroscopic imaging. It includes spot-film capabilities in addition to the fluoroscopic features and is intended to optimize the capability of users to visually and quantitatively evaluate the anatomy and physiological function of various targeted body areas in real-time. It is frequently used in conjunction with an ingested or injected x-ray contrast medium.