You will probably not need to change out of your street clothes. Once in the scanning room, you will lie flat on a table that slides into the scanner. During the procedure, the scanner will come close ...

A heart CT scan uses X-rays to create an image of the heart and blood vessels. Healthcare professionals may also refer to it as cardiac CT angiography. A CT scan is a noninvasive imaging procedure.

Update 11:30 EST January 14, 2016: The issue of the new TSA policy is now before congressional representatives. See report here. Passengers required by the ...

With more and more groups registering complaints about the new invasive scanning procedures at airports, it is time for the Transportation Security Administration and Department of Homeland Security ...

THE diagnosis of massive pulmonary embolism is frequently difficult and always uncertain, primarily because the symptoms and signs may mimic those of some other diseases, such as myocardial infarction ...

Correction/revision: 15:34 EST January 14, 2016; 10:05 EST January 16, 2016: Added language to clarify EPIC’s role as organizer of coalition and author of letter. Reorganized for clarity. The fight ...

» Does the patient exposure from a CT procedure depend on the number of slices? Before answering this question, let’s compare two radiation quantities involved. First, dose, or absorbed dose, ...