Applies to those components of X-ray equipment which influence the image quality of equipment for digital subtraction angiography (DSA) with an imaging system consisting of an X-ray generation subsystem, a detection device comprising an X-ray image intensifier television chain, means of digitization and digital image processing, image storage and image manipulation including

subtraction, and facilities for image display.

Defines the essential parameters which describe the performance of

the above-mentioned components of X-ray equipment with regard to imaging properties, and defines methods of testing whether measured quantities related to those parameters comply with specified tolerances.