Renal 99mTc-MAG3

Perfusion: kidneys seen < 6 seconds
Extraction: peak activity < 6 minutes
Excretion: 20-minute/peak parenchymal uptake < 0.3 (mean 0.18, SD 0.06)
Differential Function: during parenchymal phase (minute 1 to 3), differential 44% : 56%

Lasix Dose: 
 Adults 0.5 mg/kg (creat <2)  1 mg/kg (creat > 2)
 Peds    1.0 mg/kg
Interpretation
 T 1/2 < 10 minutes:  non-obstructed
 T 1/2 > 20 minutes:  obstructed
 T 1/2 between 10 and 20 minutes:  indeterminate