肠道气体是消化道中空气的积聚,在打嗝排出或经直肠排出(放屁)之前通常觉察不到。从胃到直肠,整个消化道都含有肠道气体,这是吞咽和消化的自然结果。
事实上,豆类等某些食物直至进入大肠(结肠)才会完全分解,因为细菌在大肠中作用于这类食物。
任何人每天都会排气数次,偶尔打嗝或嗳气属于正常。然而,肠道气体过多有时意味着消化系统疾病。
Aug. 27, 2022
- Gas. American Gastroenterological Association. https://gastro.org/practice-guidance/gi-patient-center/topic/gas/?hilite=%27intestinal%27%2C%27gas%27. Accessed April 7, 2021.
- Gas-related complaints. Merck Manual Professional Version. https://www.merckmanuals.com/professional/gastrointestinal-disorders/symptoms-of-gastrointestinal-disorders/gas-related-complaints?query=gas-related%20complaints. Accessed April 7, 2021.
- Abraczinskas D. Overview of intestinal gas and bloating. https://www.uptodate.com/contents/search. Accessed April 7, 2021.
- Symptoms and causes of gas in the digestive tract. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/gas-digestive-tract/symptoms-causes. Accessed April 7, 2021.
- AskMayoExpert. Gas and bloating. Mayo Clinic; 2021.
- Inflammatory bowel disease. American College of Gastroenterology. https://gi.org/topics/inflammatory-bowel-disease/#tabs2. Accessed April 10. 2021.
- Wilkinson JM, et al. Gas, bloating, and belching: Approach to evaluation and management. American Family Physician. 2019; https://www.aafp.org/afp/2019/0301/p301.html. Accessed April 12, 2021.