A method is presented for rapid blood flow quantitation. It combines m
ultiple shot echo planar imaging principles with phase contrast veloci
ty encoding gradients. Preliminary validation experiments performed on
a flow phantom indicate a good correlation with actual flow values. M
easurements of pulsatile flow in the ascending and descending aorta, a
cquired in just 4 s, with a temporal resolution of 50 ms, are demonstr
ated.