Diuretic Half Time

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    No Obstruction = < 15 min (*)

 (*) Equivocal = 15-20 min; Obstructed = > 20 min.

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(See illustrative renographic curves).

Reference:

1   Kass EJ et al. Comparison of the diuretic renogram and the pressure perfusion study in children. J Urol. 1985 Jul;134(1):92-6.