In addition, we reviewed the patients' medical charts to determine which population subset(s), if any, benefit most from the use of CT scan in the diagnosis of appendicitis.

[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.

But in both cases, an ultrasound can be an option. When you might need a CT scan: A scan can be used to diagnose possible appendicitis and kidney stones if the ultrasound results are unclear.

“The CT scan has stopped working for five years now ... Also, CT is used in diagnosing kidney stones, appendicitis, liver diseases, and cancers. It also evaluates fractures, arthritis ...