examined persons with low cardiac output in the angiography technique that is used here the spins arranged in an examination region are saturated via radiation of at least one rf saturation pulse the saturation volume is hereby typically selected by a user of the mr system in fig3 a saturation volume 30 is schematically shown that was selected by an operator according to the prior art in order to implement an mr angiography measurement of both kidneys the saturation volume 30 can hereby be placed by an operator in previously generated overview images in the embodiment according to the prior art that is shown in the left image of fig3 a majority of the spins in the aorta 31 were also concurrently saturated like the spins in the two renal arteries 32 embodiments of the invention are now shown in the middle figure of fig3 and the right figure of fig3 as is apparent in the middle image of fig3 the conventional saturation volume is replaced in accordance with the invention with two separate partial saturation volumes 35 a and 35 b that still saturate the tissue in the kidneys however it is to be noted that the aorta up to the branching of the renal arteries is not included in the saturation volume the entire renal artery is similarly not included in the saturation volume 35 a nor in the saturation volume 35 b in the examples shown in the middle in fig3 two obliquely overlapping partial saturation volumes 35 a and 35 b are selected the choice of the middle partial saturation volumes 35 a and 35 b as compared to the saturation volume 30 is based on the.