1. A method for evaluating a cinematographic image series of a heart during a heart cycle thereof, comprising the steps of: acquiring a cinematographic short axis image series of a heart beating through a heart cycle with an image acquisition unit using an image acquisition modality that causes healthy heart muscle tissue to be represented in said image series in a manner differentiatable from damaged heart muscle tissue, said image series being comprised of a plurality of individual images; processing at least two of said individual images by executing a pattern recognition algorithm in a data processor, to detect, in each individual image, at least one region, as a detected region, consisting of both a region of healthy heart muscle and a region of damaged heart muscle and to differentiate between said region of healthy heart muscle and said region of damaged heart muscle; within the detected region of each of said two of said individual images, automatically electronically measuring in said data processor, a radial diameter of only the region of healthy heart muscle; in said data processor, automatically electronically detecting a dynamic change of said radial diameter of said region of healthy heart muscle in said at least two of said individual images in said image series; and in said data processor automatically electronically generating medically-relevant information based on said dynamic change of said radial diameter of said region of healthy heart muscle and making said medically-relevant information available in a humanly perceptible form.