This presentation will describe extensions of the standard ASL method which enable quantification of extra haemodynamic parameters, additional to tissue perfusion. These parameters include arterial and tissue arrival times, water exchange times between the intra- and extra-vascular compartments, and estimation of partial volume effects. Changes to the acquisition scheme required to achieve these extra measurements, using multiple inflow times and echo times, will be described, and examples of uses of the techniques in vivo will be shown.
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