Computed Tomography (CT Scan)

Question 1

What is non-contrast CT of the head the best initial test for?

Answer 1

Severe head trauma especially with LOC of AMS
Stroke
Any form of intracranial bleed including subarachnoid hemorrhage

Question 2

What is the benefit of a CT with Contrast?

Answer 2

Cancer and infection will enhance with contrast

Question 3

What is CT with contrast the best initial test for?

Answer 3

Any form of intracranial mass lesion

Question 4

How to manage contrast risk?

Answer 4

Stop metformin prior to using contrast
Hydrate with saline
Do not order contrast with severe renal failure

Question 5

What do you use to evaluate the pancreas?

Answer 5

Abdominal CT with IV and Oral contrast

Question 6

What is oral contrast useful for?

Answer 6

outlining abdominal structures pressed against each other

Question 7

What is abdominal CT the most accurate test for?

Answer 7

Kidney stones
Diverticulitis
Nephrolithiasis: contrast not needed

Question 8

When do you get a chest CT?

Answer 8

Hilar nodes: Sarcoidosis
Mass lesions: cancer
Cavities
Interstitial lung disease: adds definition to CXR
PE: Spiral CT or CT angriogram