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  2. Urea breath test - Wikipedia

    en.wikipedia.org/wiki/Urea_breath_test

    Patients swallow urea labelled with an uncommon isotope, either radioactive carbon-14 (nowadays preferred in many countries) or non-radioactive carbon-13.In the subsequent 10–30 minutes, the detection of isotope-labelled carbon dioxide in exhaled breath indicates that the urea was split; this indicates that urease (the enzyme that H. pylori uses to metabolize urea to produce ammonia) is ...

  3. Helicobacter pylori - Wikipedia

    en.wikipedia.org/wiki/Helicobacter_pylori

    [13] [14] Although the data varies between different countries, overall about 1% to 3% of people infected with Helicobacter pylori develop gastric cancer in their lifetime compared to 0.13% of individuals who have had no H. pylori infection. [55] [32] H. pylori-induced gastric cancer is the third highest cause of worldwide cancer mortality as ...

  4. Helicobacter heilmannii s.s - Wikipedia

    en.wikipedia.org/wiki/Helicobacter_heilmannii_s.s

    Helicobacter heilmannii s.s. (H. heilmannii s.s.) is a species within the Helicobacter genus of Gram negative bacteria. [1] Helicobacter pylori (H. pylori) is by far the best known Helicobacter species primarily because humans infected with it may develop gastrointestinal tract diseases such as stomach inflammation, stomach ulcers, duodenal ulcers, stomach cancers of the non-lymphoma type, and ...

  5. Rapid urease test - Wikipedia

    en.wikipedia.org/wiki/Rapid_urease_test

    Rapid urease test, also known as the CLO test (Campylobacter-like organism test), is a rapid diagnostic test for diagnosis of Helicobacter pylori. [1] The basis of the test is the ability of H. pylori to secrete the urease enzyme, which catalyzes the conversion of urea to ammonia and carbon dioxide .

  6. Gastritis - Wikipedia

    en.wikipedia.org/wiki/Gastritis

    Gastritis caused by H. pylori infection is termed Helicobacter pylori induced gastritis, and listed as a disease in ICD11. [6] [7] More than 80% of individuals infected with the bacterium are asymptomatic and it has been postulated that it may play an important role in the natural stomach ecology. [17]

  7. Achlorhydria - Wikipedia

    en.wikipedia.org/wiki/Achlorhydria

    [10] A 2007 review article noted that non-Helicobacter bacterial species can be cultured from achlorhydric (pH > 4.0) stomachs, whereas normal stomach pH only permits the growth of Helicobacter species. Bacterial overgrowth may cause false-positive H. pylori test results due to the change in pH from urease activity. [11]

  8. Peptic ulcer disease - Wikipedia

    en.wikipedia.org/wiki/Peptic_ulcer_disease

    H. pylori can be diagnosed by testing the blood for antibodies, a urea breath test, testing the stool for signs of the bacteria, or a biopsy of the stomach. [1] Other conditions that produce similar symptoms include stomach cancer , coronary heart disease , and inflammation of the stomach lining or gallbladder inflammation .

  9. Helicobacter - Wikipedia

    en.wikipedia.org/wiki/Helicobacter

    Helicobacter heilmannii sensu lato (i.e. H. heilmanni s.l.) is a grouping of non-H. pylori Helicobacter species that take as part of their definition a similarity to H. pylori in being associated with the development of stomach inflammation, stomach ulcers, [11] duodenum ulcers, [12] stomach cancers that are not lymphomas, and extranodal ...

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