How does an upper endoscopy help diagnose gastritis?
To diagnose gastritis, your doctor will review your personal and family medical history, perform a thorough physical evaluation, and may recommend an upper endoscopy. During this procedure, the doctor will insert an endoscope, a thin tube containing a tiny camera, through your mouth and down into your stomach to look at the stomach lining. The doctor will check for inflammation and may perform a biopsy, a procedure in which a tiny sample of tissue is removed and then sent to a laboratory for analysis.
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