MRA Brain Without Contrast

Specimen Required

NONE

Fasting Required

Purpose of the Test

The MRA Brain Without Contrast is typically ordered to evaluate the blood vessels in the brain for a variety of conditions, such as aneurysms, arteriovenous malformations, stroke, or other abnormalities.

When this test is required

The test is typically requested by a doctor when there is a suspicion of a condition affecting the blood vessels in the brain, such as aneurysms, arteriovenous malformations, stroke, or other abnormalities. It may also be ordered as a follow-up test to monitor the progression or treatment of an existing condition.

What the Test Detects

The MRA Brain Without Contrast is a non-invasive imaging test that uses a powerful magnet to create detailed images of the blood vessels in the brain, without the use of a contrast agent. The test can help detect and diagnose a variety of conditions that affect the blood vessels in the brain, including aneurysms, arteriovenous malformations, stroke, or other abnormalities.

Preparation for the Test

Patients may be asked to avoid eating or drinking for a few hours before the test and to inform their doctor and the imaging technician of any allergies, medical conditions, or medications they are taking. Patients may also be asked to remove any metal objects from their body and to wear loose-fitting clothing without metal fasteners or zippers. Patients with certain health conditions or implanted medical devices may need to take special precautions before the test.

Sample Requirements

No sample is required for this test.

Additional Notes

MRA Brain Without Contrast is generally considered safe, but it may carry some risks, particularly for patients with certain health conditions or implanted medical devices. Patients should inform their doctor and the imaging technician if they have any concerns or health conditions that may affect the test. The test is painless and non-invasive, but patients will need to lie still during the procedure, which can last up to an hour. Patients should inform the imaging technician if they experience any discomfort or side effects during the test.

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