Endoscopic ultrasound (EUS)
![Endoscopic ultrasound (EUS)](https://patient.gastro.org/wp-content/uploads/2021/09/EUS.png)
An endoscopic ultrasound is a procedure performed by a gastroenterologist, who uses a combination of endoscopy and ultrasound to look at the digestive tract and nearby organs and tissues.
Pancreatitis
![Acute and Chronic Pancreatitis](https://patient.gastro.org/wp-content/uploads/2021/09/Acute-and-Chronic-Pancreatitis.jpg)
Pancreatitis refers to inflammation (swelling) of the pancreas. It is often caused by gallstones or heavy alcohol abuse. Both acute and chronic pancreatitis symptoms are similar.
Endoscopic retrograde cholangiopancreatography (ERCP)
![Endoscopic retrograde cholangiopancreatography (ERCP)](https://patient.gastro.org/wp-content/uploads/2021/09/CGH-Patient-Ed-2019-ERCP-1024x532.jpg)
Endoscopic retrograde cholangiopancreatography (ERCP) is a procedure that uses endoscopy, x-ray and dye to view the biliary tract and pancreatic ducts and possibly treat issues there.