The normal value for carbon 14 is less than 100 dpm/mmol/L and a test of 50 dpm/mmol should be a negative result.
Clinically, a positive test for H. pylori can be determined by a carbon 13 or carbon 14 breath test. Oral quadruple therapy to kill H. pylori is needed to avoid the problem of gastritis, gastric ulcer or gastric malignancy.
When choosing quadruple drugs, generally need to take two antibiotics orally, usually choose amoxicillin combined with an antibiotic, at the same time oral bismuth pectin granules to protect the gastric mucosa, choose a proton pump inhibitor to inhibit gastric acid treatment, mainly can be taken orally omeprazole, lansoprazole and so on.
In the clinical carbon 13 or carbon 14 normal test results are different, it is recommended to consult the gastroenterology department of the regular hospital, and then make a judgment.