在用硫酸钡作口服法消化道造影时,有相当数量的患者,引起恶心呕吐现象。 为了造影检查的顺利进行,以前也有不少好的方法,如:注射药物、针刺穴位、指压穴位等等,然而,有的效果佳,有的效果却欠理想,且使用麻烦。为解决这个问题,经我本人临床反复实践,发现采用与瓦尔萨尔瓦氏试验相反的方法,能有效地达到防 In the use of barium sulfate for oral gastrointestinal imaging, there are a considerable number of patients, causing nausea and vomiting. In order to facilitate the smooth progress of angiography, there are many good methods, such as: injection of drugs, acupuncture points, acupressure points and so on, however, some good results, and some results are less than ideal, and the use of trouble. To solve this problem, after repeated clinical practice in my own clinic, I found that the method opposite to the Valsalva test can be effectively used to prevent