A Gastroscopy is a procedure that involves an examination of the oesophagus, stomach and duodenum (that is the first part of the small intestine). An Endoscopist will start by placing an endoscope (a thin and flexible tube) inside a patient’s mouth. The procedure can also be known as “upper gastrointestinal endoscopy”.

The tube has a camera with a light at the end, the camera can send the images of the procedure to a monitor, allowing the Doctor to investigate the patients’ symptoms.

A Gastroscopy may be used for:

Investigation of swallowing difficulties or upper abdonminal pain, diagnosis of conditions such as stomach ulcers, stomach polyps/tumours/cancers or gastro-oesophageal reflux disease, and also treatment of conditions, such as bleeding ulcer or a blocked oesophagus.


The gastroscopy is fairly quick lasting for approximately 10 minutes, therefore is a day case procedure.

Your Consultant will initially numb your throat with a local anaesthetic spray. The endoscope will then be placed in the back of your mouth and finally you will be asked to swallow the first part of the tube, which will then be guided down your oesophagus into your stomach.

The above noted procedure can be performed with only local anaesthetic spray or with intravenous (conscious) sedation, if needed.

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