Monthly Archives: November 2009
Ultrasound
By now, everyone has heard of ultrasound, especially pregnant women. With the advent of ultrasound’s medical application in the late ’60 and early ‘70s, doctors were able to visualize the fetus in the uterus for the first time. Ultrasound… Continue reading
POSITRON EMISSION TOMOGRAPHY (Pet Scan)
Positron Emission Tomography (PET)
A PET scan is a nuclear medicine examination using radioactive isotopes. The patient receives a small amount of radioactive material, usually by injection. The machine scans the body and measures the amount of radioactive material absorbed.… Continue reading
Computerized Axial Tomography
CAT scans are done with ionizing radiation (x-ray). http://www.who.int/ionizing_radiation/about/what_is_ir/en/index.html
Beams of x-ray and x-ray detectors rotate 180 degrees around the patient’s body; hence, the term “axial. A computer processes the information and creates the images a doctor… Continue reading
Beth’s Everything Blog
Because I used to be the Chief Technologist of a large x-ray department in Kansas City, friends often ask me questions about radiological diagnostic tests their doctors order. Today and in the weeks to come, I hope to answer… Continue reading
