fall somewhere in the middle, appearing as various shades of gray . 3. The Role of the Radiologist
are the experts who operate the machinery and position the patient to get the best image.
Not every "scan" is the same. Doctors choose a specific type of imaging based on what they are looking for: Radiology 101: The Basics & Fundamentals of Ima...
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
This uses high-frequency sound waves. Since there is no radiation, it’s the go-to for pregnancy, but it’s also great for looking at the heart (echocardiograms) and gallbladder. 2. Understanding "Density" (The Black and White) fall somewhere in the middle, appearing as various
is the least dense and appears black (like in your lungs). Bone or Metal is the most dense and appears bright white .
In radiology, everything is about shades of gray. We use a concept called : Not every "scan" is the same
A common misconception is that the "person taking the picture" is the doctor.