Magnetic Resonance Angiogram (MRA)
Test Overview
A magnetic resonance angiogram (MRA) is a type of Reference magnetic resonance imaging (MRI) Opens New Window scan that uses a magnetic field and pulses of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide information that can't be obtained from an Reference X-ray Opens New Window, Reference ultrasound Opens New Window, or Reference computed tomography (CT) scan Opens New Window.
MRA can
find problems with the blood vessels that may be causing reduced blood flow.
With MRA, both the blood flow and the condition of the blood vessel walls can
be seen. The test is often used to look at the blood vessels that go to the
brain, kidneys, and legs. Information from an MRA can be saved and stored on a
computer for further study. Reference Photographs Opens New Window Reference 
Opens New Window of selected views can also be made.
During MRA, the area of the body being studied is placed inside an MRI machine. Reference Contrast material Opens New Window is often used during MRA to make blood vessels show up more clearly.
| By: | Reference Healthwise Staff | Last Revised: Reference June 13, 2012 |
| Medical Review: | Reference Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
Reference George Philippides, MD - Cardiology |
|
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