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Intravenous Urograph
Intravenous Urography (per Merrill's)
Question | Answer |
---|---|
Most common contraindications | Kidney dysfunction & pt allergy hx |
Indications for IVU | Evaluate abd masses & renal cysts & tumors, Urolithiasis,Pyelonephritis, Hydronephrosis, Evaluate effects of trauma, Pre-op eval of kidneys, Renal hypertension |
IVU demonstrates... | Both function and structure of urinary system |
Major contraindication, cannot use IVU | When kidneys not able to filter waste (renal failure), excrete urine (anuria), or sickle cell disease |
Contraindications that require a nonionic contrast or another modality | Elderly,Asthma,Prev contrast reaction, Circulatory or cardio disease, Elevated creatinine (norm .6-1.5 mg/100ml) or BUN (norm 8-25 mr/100ml) level, Sickle cell disease, diabetes Mellitus, Multiple Myeloma |
Range of contrast administered | 30-100 ml |
Most common radiographs for IVU | AP KUB at time intervals from 3 to 20 mins |
Some doctors obtain a nephrogram by doing what? | Using a bolus injection of contrast followed by a 30-second image (nephrogram) |