Examination after a barium meal may assist in distinguishing between paralytic ileus and mechanical obstruction but should be avoided if colon obstruction cannot be excluded.

• 钡餐造影可能对鉴别麻痹性肠梗阻和机械性肠梗阻有帮助，但如果大肠梗阻不能排除，则此检查为禁忌。