A gastroscopy is a procedure used to diagnose and treat problems of the oesophagus (gullet), stomach and duodenum (the first part of the small intestine). It involves a camera being inserted through the mouth to enter the upper gut.

If you have symptoms such as difficulty swallowing, abdominal pain, nausea and vomiting, heartburn or chest pain your GP may recommend you have a gastroscopy.

A light anaesthetic (sedation) is administered, and the procedure only takes about ten minutes. The procedure is very safe and is performed as an outpatient (no overnight stay).