A member asked:

Can a regular ct scan of the brain show blocked arteries?

3 doctors weighed in across 2 answers

No: In order to visualize blocked arteries, you would need a high-resolution ct scan and you would need to receive intravenous contrast. A ct scan without contrast can show areas of previous strokes however will not directly show blocked arteries. A good radiologist can also occasionally see calcifications of arteries which could suggest disease however does not necessarily mean the arteries are blocked.

Answered 10/11/2017

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Dr. Michael Korona answered

Specializes in Radiology - Interventional

Indirectly : Can see stroke changes which suggest blocked arteries. Need contrast ct, preferably cta to see arteries.

Answered 3/26/2013

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