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Health

What is a double contrast barium enema?

The double-contrast barium enema is an x-ray of the colon and rectum which is performed first by using a suspension of water and barium introduced rectally and then by air which makes it possible to make the structure of the organ visible…

Let's not lose sight of it: astigmatism

Astigmatism is a condition in which there is a difference in the refractive power of the ocular diopter on the different axes, otherwise defined as meridians, and in most cases this anomaly is localized in the cornea causing visual problems

What is cholangiography?

Cholangiography is a radiological examination of the bile ducts (common bile duct, cystic duct, hepatic duct and gallbladder, i.e. all the channels that are crossed by the bile) which is carried out by administering a radio-opaque contrast…