Magnetic Resonance Angiogram (MRA)

MRA (Magnetic Resonance Angiography)

Results

A magnetic resonance angiogram (MRA) is a type of magnetic resonance imaging (MRI) scan that uses a magnetic field and pulses of radio wave energy to provide pictures of blood vessels inside the body. The radiologist may talk to you about the results of your MRA right after the test. Complete results are usually available for your doctor in 1 to 2 days.

Magnetic resonance angiogram (MRA)

Normal:	The blood vessels look normal and the blood flow through them is not reduced or stopped. No blood clots or large plaque buildup is seen.
	Blood vessel walls are normal. No bleeding, abnormal collections of fluid, blockage in the flow of blood, or bulges in the blood vessels (aneurysms) are present.
Abnormal:	Partial or complete blockage of a blood vessel may be seen. Blockage may be caused by a blood clot, the buildup of fat and calcium deposits (plaque), or narrowing (stenosis) of the blood vessel.
	A bulge (aneurysm) in the blood vessel wall may be seen. Damage to the wall of a blood vessel may be seen.

Conventional angiogram or computerized tomography angiogram (CT angiogram) may be needed after MRA if a problem, such as an aneurysm, is found or if surgery may be needed.

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Author:	Robin Parks, MS	Last Updated: July 9, 2008
Medical Review:	E. Gregory Thompson, MD - Internal Medicine George Philippides, MD - Cardiology
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