[2] Noncontrast CT in the emergency diagnosis of appendicitis is attractive for several reasons. Administration of oral contrast consumes valuable time in today's fast-paced and overcrowded ED.

What are the typical radiation doses associated with CT examinations? CT scans of the head, for example ... should be kept as low as reasonably achievable (the ALARA principle) without compromising ...

CT scans fall under a group of medical tests known as diagnostic tests, or “a test used to help figure out what disease or condition a person has based on their signs and symptoms,” according to the ...