Radiology 101: The Basics & Fundamentals Of Ima... May 2026

In radiology, everything is about shades of gray. We use a concept called :

Sometimes, the "shades of gray" are too similar to tell apart. That’s where comes in. By injecting a special dye (usually iodine or gadolinium) or having a patient drink it, we can make blood vessels or the digestive tract "light up" on the screen, making it much easier to spot a blockage or a tumor. 5. Safety First: ALARA Radiology 101: The Basics & Fundamentals of Ima...

are the experts who operate the machinery and position the patient to get the best image. In radiology, everything is about shades of gray

Not every "scan" is the same. Doctors choose a specific type of imaging based on what they are looking for: By injecting a special dye (usually iodine or

Are you interested in the high-tech physics of an MRI or the quick diagnostic power of an ER X-ray ?

is the least dense and appears black (like in your lungs). Bone or Metal is the most dense and appears bright white .