Solid Gastric Empty Protocol

Question 1

Dose

Answer 1

0.5 mCi Tc99m sulfur colloid in…

4 oz eggs, 2 slices white bread, 2 jams, 120 mL water

Question 2

Patient Prep: Solid and liquid

Answer 2

NPO 4 hrs

Ask about pain meds/ anti-emetics. Continue with patient “normal” conditions.

Question 3

Liquid and Solid

Answer 3

Liquid 1st - 0.5 mCi in 4 oz apple juice, 2nd “cold” 4 oz apple juice. 1 min A/P image between phases.

Question 4

Procedure

Answer 4

Patient has 10-15 min to eat meal. Document amount eaten, patient head position, det head position, patient body position, imaging times
Image at 0, 1, 2, 4 hrs A/P for 1 min (solid)
Image at 0, 15, 30, 45, 60 min for 1 min (liquid)

Question 5

Processing

Answer 5

NM gastrointestinal - gastric empty
Draw ROIs, viewer tools - motion correction, LB.
LB to RR.

Question 6

Liquid Results

Answer 6

If less than 40% activity has left stomach, acquire 1 min A/P at 2 hours post admin (more than 60% retention)