1. A method for displaying tomographic records of a patient, comprising: scanning the patient with the aid of a tomographic system having a system axis; determining at least one topogram; automatically determining orientation of scanned body zones of the patient, relative to the system axis of the tomographic system, from the at least one topogram; calculating three-dimensional image data records including a multiplicity of slice images of the body zones, slice planes of the slice images being at a defined solid angle to the determined orientation of the scanned body zones; and outputting at least one slice image of the patient.