Optimal timing of imaging in gastric emptying scintigraphy for the detection of delayed emptying.

Objective: The purpose of this study was to evaluate a standard 4-h imaging protocol for gastric emptying scintigraphy (GES) in detecting delayed gastric emptying (GE).

Subjects And Methods: Gamma camera imaging was performed in the anterior and posterior views at 0, 0.5, 1, 1.