Method and apparatus for producing an overall image from a number of partial images

A diagnostic installation comprising:

• an image acquisition device which produces a first partial image of a medical examination subject;
• a first memory connected to said image acquisition device in which said first partial image is stored;
• a playback device;
• a shift device connected to said first memory and to said playback device for causing at least a portion of said first partial image, which adjoins a further partial image to be produced, and said playback device;
• a mixing device connected to said image acquisition device and to said playback device for causing a survey image of said further partial image to be reproduced on said playback device in addition to said portion of said first partial image in a proper orientation relative to said portion of said first partial image;
• said image acquisition device then obtaining said further partial image with said correct orientation;
• and
• an arrangement for joining said first partial image and said further partial image to form an overall image.