MR
Angiography (MRA) is a method of looking at the arteries
and veins within the body.
Some
scans are able to show flow in the
vessels without using any contrast
agent injections. For these procedures
the patient will simply be asked
to lie very still for the duration
of the scan.
For scans of the aorta and arteries supplying the lungs, kidneys other organs
and limbs a small injection is usually given.
There
are numerous advantages of using
MRI for this procedure in comparison
to older methods such as digital
subtraction angiography:
Firstly
it is a very quick procedure,
some scans take under a minute. Even
with preparation time it
is faster than conventional methods.
Secondly
the injection only involves
the use of a small needle into a vein
in the arm. This makes
for a very patient-friendly and comfortable
procedure.
Scan
times may vary depending upon
the individual case.
MRI
of the Blood Vessels (Magnetic Resonance Angiography)
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