Answers
observing gastric motility
0.5-1 mCi of Tc Sulfur colloid
Images immediate, 1 hour, 2 hour, 3 hour, 4 hour post
Gastric Emptying study
meal (ingestion) - 1 hour dynamic can be done for first
hour
4oz of egg whites, 4 oz of water, 2 pieces of white toast,
30g of jelly
GERD
Gastresophgeal reflux more common in pediatric patients
1mCi of Tc sulfur colloid in room temperature tap water
20 mCi of Tc labeled RBC by IV
patient must be actively bleeding when tc is in blood pool
GI bleed
Injection to imaging time immediate
supine, anterior, obliques, lateral
20 mCi of Tc labeled RBC by IV
anterior and posterior
hemangioma
Injection to imaging time immediate and 45-180 minutes
SPECT can be done for delays
HIDA (hepatobiliary) with and without GBEF