Patch testing is used in the diagnosis of contact allergies - reactions that occur when the skin comes into direct contact with a substance that irritates it, such as cosmetics, metals, scents, and latex, among many others.

The Bravo/Alpha oesophageal pH test is a simple way to measure acid levels in your oesophagus (food pipe) over 96hours. It’s used in the diagnosis of conditions such as acid reflux and gastro-oesophageal reflux disease (GORD).

Flow test is an outpatient test that calculates the speed of urine flow over time. It is typically used in patients who have complaints of feeling of incomplete bladder emptying, frequency of micturition, urgency of micturition and poor flow.

A hydrogen breath test is commonly used to investigate bowel symptoms such as diarrhoea, bloating or abdominal discomfort. The results can help to identify the cause so that the most appropriate and effective treatment is recommended.

A Helicobacter pylori breath test is a non-invasive test that detects the species of gut bacteria that can cause peptic ulcers, gastritis and stomach cancer.

Liver function tests provide you with peace of mind and insight into the health of your liver. At OneWelbeck, we offer private liver function tests for those over the age of 18.

The CPET heart health test at OneWelbeck evaluates heart and exercise capacity, diagnosing conditions like cardiovascular disease and exercise intolerance. Performed on an exercise bike, it helps monitor and improve heart health.

I see many patients with tendonitis – tennis elbow, golfer’s elbow, Achilles tendonitis, patellar tendonitis, hip tendonitis, foot tendonitis and wrist and hand tendonitis. Managing tendonitis is always difficult, partly because we don’t completely understand tendonitis. Partly, also, because our treatments are not great. I wrote a blog explaining how to manage tendonitis. Exercise is the best medicine for patients with tendonitis, but some cases are resistant to exercise and require other treatments.

Professor Paris Tekkis is a Consultant Colorectal Surgeon at OneWelbeck Digestive Health and Professor of Colorectal Surgery at Imperial College London. He specialises in minimally invasive and advanced colon and rectal cancer surgery.