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Gastritis is the inflammation of the lining of the stomach. [1] It may occur as a short episode or may be of a long duration. [1] There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain (see dyspepsia). [1]
Atrophic gastritis under low power. H&E stain. Autoimmune metaplastic atrophic gastritis (AMAG) is an inherited form of atrophic gastritis characterized by an immune response directed toward parietal cells and intrinsic factor. [6] Achlorhydria induces G cell (gastrin-producing) hyperplasia, which leads to hypergastrinemia.
Stomach diseases include gastritis, gastroparesis, Crohn's disease and various cancers. [1] The stomach is an important organ in the body. It plays a vital role in digestion of foods, releases various enzymes and also protects the lower intestine from harmful organisms. The stomach connects to the esophagus above and to the small intestine below.
Inflammation of the stomach by infection from any cause is called gastritis, and when including other parts of the gastrointestinal tract called gastroenteritis. When gastritis persists in a chronic state, it is associated with several diseases, including atrophic gastritis, pyloric stenosis, and gastric cancer.
While chronic life stress was once believed to be the main cause of ulcers, this is no longer the case. [27] It is, however, still occasionally believed to play a role. [ 27 ] This may be due to the well-documented effects of stress on gastric physiology, increasing the risk in those with other causes, such as H. pylori or NSAID use.
Abdominal pain is the reason about 3% of adults see their family physician. [2] Rates of emergency department (ED) visits in the United States for abdominal pain increased 18% from 2006 through to 2011. This was the largest increase out of 20 common conditions seen in the ED. The rate of ED use for nausea and vomiting also increased 18%. [28]
The risk of lung and heart irritation is also higher for older adults and people with lung or cardiovascular conditions, including asthma. 6 ways to stay safe when it's smoky outside
Broussais discovers that if acute gastritis is untreated, it can become chronic. [1] 1821 Nepveu argues for a relationship between gastritis and gastric cancer. [1] 1822 William Beaumont first demonstrates the acidity of the stomach and a relationship between acid levels and mood. [2] 1868