It depends: On what your doctor is looking for and which body part is being imaged.
Answered 8/2/2012
5.7k views
Often: When getting a ct scan it is often necessary to give a contrast injection. This helps in the detection of infection and tumors and to delineate vessels.
Answered 5/29/2015
5.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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