Breath is very obvious, careful oral cleaning, often eat “fire” food can not be significantly improved, and even affect interpersonal communication; belching after meals, nausea, bloating, abdominal discomfort and other gastrointestinal symptoms …… regardless of the men and women of all ages, when these conditions occur! When these situations occur, it is possible to be infected with Helicobacter pylori bacteria, which needs to be taken seriously. Doctor’s tip: To determine whether you are infected with H. pylori, you may want to do a carbon 13 breath test. The Nuclear Medicine Department of Sanming Second Hospital has introduced equipment to standardize this test. Helicobacter pylori as a risk factor for gastric cancer Helicobacter pylori is one of the most direct germs that cause bad breath, because Helicobacter pylori can survive in dental plaque, and after the infection occurs in the oral cavity, it will directly produce smelly carbons and cause bad breath; after the infection of Helicobacter pylori, the patient will mostly have the gastrointestinal disease symptoms such as belching, nausea, bloating, and abdominal discomfort after a meal; of course, people who do not have any obvious symptoms are also It is possible to be infected with H. pylori. Studies have shown that 80% of gastric ulcers are infected with H. pylori, and the World Health Organization has classified H. pylori as the first group of cancer-causing factors and clearly as a risk factor for gastric cancer. Therefore, screening for H. pylori and timely and effective treatment are of great value in preventing the occurrence of gastric cancer. Carbon 13 breath test is the gold standard, and children can also be tested There are many methods for the diagnosis of H. pylori infection, such as biopsy, isolation and culture of H. pylori, rapid urease test, urinary ammonia excretion test, serologic test, and multiplexed enzyme chain reaction, etc. Currently, the most popular test is the carbon 13 breath test. By far the most popular among doctors and patients is the carbon 13 breath test. After taking a certain amount of Carbon 13 orally on an empty stomach or 2 hours after a meal, the examinee only needs to blow his/her breath after 30 minutes to get a reliable result, with an accuracy of 95%. This method is not only accurate, specific and fast, but also painless, non-invasive and free of radioactive damage to the examinee, which is especially suitable for children, the elderly, patients with high blood pressure and heart disease, and even pregnant women and breastfeeding women can also be tested. This method is internationally recognized as the gold standard for the diagnosis of H. pylori.