Endoscopic Retrograde Cholangiopancreatography

It is a technique in which a hollow tube called an endoscope is passed through the mouth and stomach to the duodenum

This is pretty subjective!

I quite like:

dysdiadokinesia

or endoscopic retrograde cholangiopancreatography.

A cholecystography is an examination of the gallbladder to check for the presence of gallstones. The types of cholecystography are endoscopic retrograde cholangiopancreatography, oral, and the gallbladder series or X-ray.

the patient will be instructed to refrain from eating or drinking for at least six hours to ensure that the stomach and upper part of the intestine are empty.