Acta radiologica
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Ultrasound scanning is replacing scintigraphy in studies of gastric emptying of liquid, but both have considerable day-to-day variability. This study describes a modified ultrasound technique for assessing gastric emptying of liquid, and evaluates the inter- and intraindividual variation in emptying time. ⋯ Ultrasound monitoring of antral size after a liquid meal is a well suited method for assessing gastric emptying of liquid.