Gastroenterology Services


A colonoscopy is performed normally as an outpatient procedure to see inside your colon. It’s a diagnostic test that’s requested to find out more about symptoms including: ongoing diarrhoea, bowel movement changes, stomach pains and back passage bleeding or passing mucus.

It uses a colonoscope, a long, flexible, narrow tube with a light and tiny camera at one end. Images are sent to a monitor and biopsies or cell samples can be taken of the inside of your large bowl. It takes up to an hour.

A colonoscopy will allow your consultant to see irritated and swollen tissue, ulcers, polyps (small growths usually non-cancerous) and cancer. It’s used as part of bowel cancer screening and can diagnose bowel cancer. It can also confirm conditions such as Crohn's disease and ulcerative colitis.


A gastroscopy, also known as an upper gastrointestinal endoscopy, allows your gastroenterologist to see your organs in the upper GI tract including your oesophagus, stomach and the first part of your small intestine.

It’s normally performed under local anaesthetic as a day case procedure. A thin, flexible tube with a light and a camera at one end, called an endoscope, is inserted through your mouth. Images of your oesophagus and stomach are sent to a monitor for your consultant to investigate symptoms such as indigestion, stomach pain and difficulty swallowing.

A gastroscopy will detect any abnormalities in the oesophagus and stomach and is used to diagnose conditions including: gastro-oesophageal reflux disease (GORD) and stomach ulcers. It can treat some disorders such as: oesophagus blockages, bleeding ulcers, polyps or small cancerous tumours.

Lactose intolerance quick test

New Hall Hospital is pleased to offer patients a lactose intolerance quick test during a gastroscopy if required. It’s a quick and simple test that’s used to detect lactose intolerance. A biopsy sample is taken to look at the activity of the lactase enzyme and results are available within 20 minutes.

Your gastroenterologist can assess the degree of lactase deficiency in coeliac disease and also use this test to rule out lactose intolerance in IBS and dyspepsia.


An endoscopy allows your consultant to see inside your body organs using an endoscope which is a long, thin, flexible tube with a light and camera at one end.

Video capsule endoscopy

Video capsule endoscopy (VCE) is a modern diagnostic technique that we’re delighted to offer at New Hall Hospital. It involves a patient simply swallowing a small, disposable video capsule with a wireless camera inside.

Your gastroenterologist can then see inside the whole of your GI tract. Previously they would not have been able to adequately see inside the small bowel but VCE makes this possible.

VCE is used to investigate and diagnose: GI bleeding, small bowel problems without using invasive tests or tests with harmful radiation and small bowel Crohn’s disease and other chronic gastroenterology conditions.

VCE is available for the oesophageal and colon. Oesophageal capsules can be used for patients with Barrett’s oesophagus who require monitoring and to diagnose oesophageal varices. Colon capsules are often used for patients who can’t tolerate a colonoscopy or if they’ve had an incomplete colonoscopy.

Flexible sigmoidoscopy

A flexible sigmoidoscopy allows your gastroenterologist to look inside your rectum and the lower part of your bowel. A thin, flexible, tube with a camera, called a sigmoidoscope, is carefully inserted into your back passage. The procedure is quick and carried out on an outpatient basis.

It’s used to examine symptoms such as bowel movement changes and rectal pain. It checks for any inflammation in these organs, early signs of cancer and for polyps.

During a flexible sigmoidoscopy biopsies can be taken, polyps can be removed and haemorrhoids can be treated.

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