Medical articles from Dr Gavin Johnson

21/02/2025
Dr Gavin Johnson
Gastroenterology
How endoscopic ultrasound is used to diagnose conditions in the digestive tract
Endoscopic ultrasound (EUS) is a specialised procedure that combines endoscopy and ultrasound to examine the digestive tract and surrounding structures. It’s a valuable tool for diagnosing a variety o...
27/11/2018
Dr Gavin Johnson
Gastroenterology
Looking after your pancreas: how to avoid acute pancreatitis
Acute pancreatitis is a serious condition affecting more and more of the UK population – and it’s estimated that 1 in 8 of cases are related to binge drinking. We asked leading gastroenterologist Dr G...
22/01/2018
Dr Gavin Johnson
Gastroenterology
What is an endoscopic ultrasound and why do I need one?
Endoscopic ultrasound is a procedure which allows a doctor to examine structures beyond the wall of the upper digestive tract to find abnormalities, take tissue samples, and sometimes to drain infecti...
20/10/2017
Dr Gavin Johnson
Gastroenterology
What should I expect from an ERCP?
In those with bile duct problems, and sometimes pancreatic problems, a procedure called ERCP may be recommended as a course of action. Gastroenterologist Dr Gavin Johnson is an expert in the procedure...