1. Examination apparatus ( 100 ) for motion compensated determination of a flow dynamics from an image sequence of an object of interest ( 15 , 107 ), the examination apparatus ( 100 ) comprising: an analysis unit ( 118 ) adapted for performing a determination of a first flow dynamics in a region of the object of interest ( 15 , 107 ); wherein the determination comprises a motion compensation performed on the basis of a tracking of a first position of a first marker and a second position of a second marker in the image sequence; wherein the first and second markers are distance markers of an interventional device; and wherein a motion of the markers corresponds to a motion of the object of interest.