NURS 2589 Chapter Notes - Chapter 46: Constipation, Indigestion, Hypotension
19 Mar 2019
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Erosive form of acute gastritis caused by local irritants like aspirin and. Nsaids (ibuprofen), alcohol consumption, and gastric radiation therapy. More severe form is caused by ingestion of strong acid or alkali. Scarring can occur resulting in pyloric stenosis (narrowing or tightening) or obstruction. Acute gastritis can form in acute illness like traumatic injuries, burns, severe infection, etc which is often referred to as stress-related gastritis. Chronic gastritis may be caused by chemical injury d/t long term drug therapy. Disruption of the mucosal barrier that normally protects the stomach tissue from hcl and pepsin. The impaired mucosal barrier allows corrosive hcl, pepsin and other irritating agents to come into contact with the gastric mucosa resulting in inflammation. Inflammation causes gastric mucosa to become edematous and hyperemic (congested with fluid and blood) and undergo superficial erosion. Rapid onset of symptoms like epigastric pain or discomfort, dyspepsia, anorexia, hiccups, n/v,
