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A 38-year-old member asked:

Which one is better at detecting blood clots (in the brain) mri or ct scan?

2 doctor answers3 doctors weighed in
Dr. Luis Villaplana
Internal Medicine 35 years experience
Neither: If you are looking for a blood clot, an angiogram and an mra are the most specific. After the damage from a clot is done, the quickest test to show it will be an mri. Ct will show a stroke 48-72 hrs unless it's a bleeding stroke, w in which case it will show sooner.
Dr. Carl Decker
Radiology 24 years experience
MRI: Blood clots can lead to strokes, which MRI is more sensitive at detecting. To evaluate blood vessels for narrowing, one can use either MRI or ct.

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Last updated Jun 13, 2014

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