Gastric Emptying Solid and Liquid. By: Abby Cox NMT 1713 July 31,2007. Overview. What is Gastric emptying Radiopharmaceutical and Dose Localization & QC Administration Indications Contraindicatons Patient Preparation Eqiupment Procedure with solid Procedure with liquid
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By: Abby Cox
-Solid: 5 mCi 99mTC SC, 2 eggs, 2 toast bread, & 8 oz OJ
-Liquid: 500uCi 99mTC DTPA
125uCi In-111, DTPA
Water, OJ, kool-aid
* = Most common used
-Anatomic obstruction (pyloric, postsurgical,postradiotherapy)
-Altered function (gastroparesis, scleroderma, amyloidosis, or anorexia nervosa
-Suspected tumors or surgery
-Nausea, vomiting, and early satiety
-Gastric therapy (Reglan)
Determination of Delayed gastric emptying with quantitation of gastric emptying rate.
-Prepare one or two eggs and mix in radiotracer
-Stir and Scramble
-Or prepare choice of gastronomic vehicle with radiotracer
-Administer to patient PO with 30-120 mL of water. Encourage patient to eat quickly.
Liquid: 50% emptied 10-45 minutes or 80% in 1 hour
Solids: 50% movement out of stomach within a 32 – 120 minutes with a mean of 90 minutes.
Terminate study before 60 min if gastric emptying becomes > 95%
Abnormal: Very little or no movement from stomach after 60 minutes. Rapid emptying may occur in cases of “dumping syndrome”