The blood-brain barrier problem 10. Gadolinium increases the T1 of blood. In general, patients should be imaged with their arms down. Respiratory motion of the aortic root and the descending thoracic aorta always creates blurring when a slow infusion of a double dose of gadolinium is used. CT can demonstrate protruding atheromas in the ascending aorta.
Ulcerated plaque can occur anywhere in the body.
According to Dr. Krinsky, any T2-weighted image, with or without fat suppression, may be used to examine a patient who may have arteritis. According to Dr. Krinsky, MRA is not the preferred test for studying protruding atheromas. Gadolinium should be injected into the side of the body that must be seen most clearly.