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What is gastroscopy?

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In brief: Gastroscopy

A gastroscopy is an examination of the upper part of the gastrointestinal tract - the oesophagus (gullet), stomach and duodenum (the first part of the small intestine).
This is done using a flexible, tube-like telescope called an endoscope, which is about the thickness of a little finger. The endoscope is passed through the mouth and into the oesophagus. The procedure may also be simply referred to as an endoscopy.


A gastroscopy is useful for finding out what is causing your symptoms, or as a check-up for certain gastrointestinal conditions. During the procedure, the doctor may take a biopsy - a sample of the lining of the gullet, stomach or duodenum - for examination in the laboratory.


Gastroscopy is routinely performed as an outpatient or day case, requiring no overnight stay in hospital. A general anaesthetic is not generally required, but you may be given a sedative to help ensure that you are relaxed and comfortable.

In brief: Gastroscopy

A gastroscopy is an examination of the upper part of the gastrointestinal tract - the oesophagus (gullet), stomach and duodenum (the first part of the small intestine).
This is done using a flexible, tube-like telescope called an endoscope, which is about the thickness of a little finger. The endoscope is passed through the mouth and into the oesophagus. The procedure may also be simply referred to as an endoscopy.


A gastroscopy is useful for finding out what is causing your symptoms, or as a check-up for certain gastrointestinal conditions. During the procedure, the doctor may take a biopsy - a sample of the lining of the gullet, stomach or duodenum - for examination in the laboratory.


Gastroscopy is routinely performed as an outpatient or day case, requiring no overnight stay in hospital. A general anaesthetic is not generally required, but you may be given a sedative to help ensure that you are relaxed and comfortable.
Quality HealthCare Team
Quality HealthCare Team
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