作者:alyssa lopez 12 年以前
312
Diuretic Renal Imaging
Diuretic Renal Imaging
ABNORMAL RESULTS
HETEROGENEOUS UPTAKE
ONE OR NO KIDNEY VISUAL
CLEARANCE HALF TIME OF
<8 MIN OR >12 MIN
NORMAL RESULTS
BOTH KIDNEYS VISUAL
HOMOGENEOUS UPTAKE
CLEARANCE HALF TIME OF 8-12 MIN
THUS SHOWING NORMAL RENOGRAM
IMAGING
IMAGE FOR AN ADDITIONAL 20
MIN AFTER FUROSEMIDE INJ.
POSTERIOR
STARTS IMMEDIATELY, 2 MIN
FLOW FOLLOWED BY
18 MIN OF DYNAMICS (USUALLY)
FUROSEMIDE (LASIX)
USUALLY ADMINISTERED 15-20 MIN
AFTER RPH INJECTION OR WHEN
PELVIS IS DIALTED
1 mg/kg FOR CHILDREN
40 mg FOR ADULTS
INTERPRETATION
RENOGRAM
SHOWS TIME
ACTIVITY CURVE
FINAL IMAGES
VISUAL UPTAKE
RADIOPHARMACEUTICALS
TC99m-DTPA (10-20 mCi)
TC99m-MAG3 (10-20 mCi)
INDICATIONS
EVALUTION OF RENAL FUNCTION AND
URODYNAMICS
DISTINGUISH BETWEEN OBSTRUCTIVE
HYDRONEPHROSIS AND NON-OBSTUCTIVE
COLLECTING SYSTEM DIALATION
CONTRAINDICATIONS
MEDICATIONS THAT BLOCK
TUBULAR SECRETION
RENAL ARTERIOGRAM USING IV
IODINATED CONTRAST
PATIENT PREP
OFF ANY DIURETICS
WELL HYDRATED
OFF ACE INHIBITORS FOR 1 WEEK