检查 被认为是诊断胃轻瘫的金标准。这项检查为非侵入性检查并且可以评估固体和液体的排空。[1]Parkman, HP, Hasler WL, Fisher RS. American Gastroenterological Association technical review on the diagnosis and treatment of gastroparesis. Gastroenterology. 2004;127:1592-1622.http://www.gastrojournal.org/article/S0016-5085(04)01634-8/fulltexthttp://www.ncbi.nlm.nih.gov/pubmed/15521026?tool=bestpractice.com[55]Tougas G, Eaker EY, Abell TL, et al. Assessment of gastric emptying using a low fat meal: establishment of international control values. Am J Gastroenterol. 2000;95:1456-1462.http://www.ncbi.nlm.nih.gov/pubmed/10894578?tool=bestpractice.com
高度推荐进行4小时的试验:4小时末测试餐残留>10%或者两小时后残留>60%支持胃轻瘫诊断。[56]Lin HC, Prather C, Fisher RS, et al. Measurement of gastrointestinal transit. Dig Dis Sci. 2005;50:989-1004.http://www.ncbi.nlm.nih.gov/pubmed/15986844?tool=bestpractice.com[57]Abell TL, Camilleri M, Donohoe K, et al. Consensus recommendations for gastric emptying scintigraphy: a joint report of the American Neurogastroenterology and Motility Society and the Society of Nuclear Medicine. Am J Gastroenterol. 2008;103:753-763.http://www.motilitysociety.org/clinician/manuscripts/abell_camilleri_parkman_ANMS_consensus_GE_scint_test.pdfhttp://www.ncbi.nlm.nih.gov/pubmed/18028513?tool=bestpractice.com