[Noninvasive possibilities of X-ray diagnostic on prostetic heart valves (author's transl)]

Characteristic mechanical qualities and possibly occurring complications are discussed in this paper. Noninvasive x-ray diagnostic with chest radiographex, fluoroscopy and 70mm camera makes possible an exact identification of any prosthetic valve. If there is any clinical suspicion, negative x-ray findings will not exclude malfunction of the prosthesis. Invasive diagnostic proceeding is necessary in such cases.