Acquisition Parameters

Camera typeLarge field of view, dual headPreferred
Large field of view, single headStandard
Energy peak172 and 247 keVStandard
Energy window20%Standard
CollimatorMedium energyStandard
Patient positionStanding or supineStandard
Camera positionTotal abdomen from gastric fundus to pelvisStandard
Injection-to-imaging timeImmediately on meal completionStandard
Acquisition typePlanarStandard
ViewsAnterior and posteriorStandard
Initial (0 h) and 1, 2, 3, 4, 5, and 6 h
Additional viewsAnterior and posteriorNot applicable
24, 48, and 72 h
Matrix128 × 128Standard
Number of views2 views at each time pointStandard
Time per view60 sStandard
Additional images: time per view4 minStandard