in a method and a device for phase - sensitive flow measurement of a volume segment of an examination subject in a measurement system , the volume segment is divided into multiple partial volume segments and the following steps are executed repeatedly until the volume segment has been completely measured : movement of a table such that a center of one of the partial volume segments to be measured essentially corresponds to the isocenter of the magnetic resonance system , and implementation of the phase - sensitive flow measurement for the partial volume segment to be measured while the center of the partial volume segment essentially corresponds to the isocenter .