Clinical intervention for quality improvement of gastric-emptying studies.

Unlabelled: Prompted by clinical concerns for false-negative tests, we implemented a clinical intervention consisting of a training session and an image-based verification procedure to document homogeneous radioactivity distribution in the radiolabeled meal (egg substitute per the guideline).

Methods: A technologist training session emphasized the importance of thorough mixing of (99m)Tc-sulfur colloid in the egg meal. For 6 mo after training, an image of the prepared mixed egg was acquired before patient ingestion.