Gastritis overview
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Gastritis is inflammation of the gastric mucosa. The word comes from the Greek gastro- meaning of the stomach and -itis meaning inflammation. Depending on the cause, it may persist acutely or chronically and may coincide with more serious conditions such as atrophy of the stomach.
Historical Perspective
Classification
Gastritis may be classified according to chronicity, into two categories: acute and chronic.
Pathophysiology
Causes
Differentiating Gastritis overview from Other Diseases
Gastritis must be differentiated from peptic ulcer disease, gastric cancer, gastroesophageal reflux disease, gastroenteritis, and Crohn's disease.
Epidemiology and Demographics
Risk Factors
Risk factors vary depending on the subtype of gastritis, but notable risk factors include infection with H. pylori and its associated epidemiology.
Screening
Natural History, Complications, and Prognosis
Natural History
Complications
Prognosis
Diagnosis
Diagnostic Criteria
History and Symptoms
Symptoms of gastritis may be silent or manifest as abdominal discomfort, nausea, vomiting, and/or gastrointestinal bleeding.