CT angiography of the neck and brain is a diagnostic imaging test used to evaluate the blood vessels in the neck and brain. The test uses intravenous contrast material to produce detailed images of the blood vessels in these regions.
When this test is required
It is important for patients to inform their healthcare provider if they have any allergies, kidney problems, or other conditions that may affect their ability to receive contrast material or undergo the CT scan.
What the Test Detects
During the test, the patient lies on a table that moves through the CT scanner while contrast material is injected through a vein in the arm. The images are processed by a computer to produce detailed 3D images of the blood vessels.
Preparation for the Test
Test preparation typically involves avoiding eating or drinking anything for several hours before the test, and informing the healthcare provider of any medications or allergies.
Sample Requirements
No sample is required for this test.
Additional Notes
It is important for patients to inform their healthcare provider if they have any allergies, kidney problems, or other conditions that may affect their ability to receive contrast material or undergo the CT scan.