CT- Brain angiography is an imaging procedure that evaluates the blood vessels in the brain. A scanner is used to take images which are assembled into three-dimensional views of the blood vessels using state-of-the-art computer software. These 3-D models help the radiologist more accurately view the structure of blood vessels in diseases such as aneurysms, intracranial or extracranial vessel stenosis, and stroke.
CT scans are used for a multitude of reasons:
SLAs:For CT test scheduled before 8 AM eConsultation will be scheduled before 9 PM same day and the physical reports to be delivered by 10 PM same dayFor CT test scheduled after 8 AM eConsultation to start from 8 AM next day and the physical reports to be delivered starting from 8 AM next dayFACILITATOR:Confirm the compliance of preparations required.Check for the Serum creatinine levels.Ask the patient to wear comfortable clothes free of metals, zippers, hooks.Ask the patient to empty the bladder before entering CT SCAN room.
SLAs:For CT test scheduled before 8 AM eConsultation will be scheduled before 9 PM same day and the physical reports to be delivered by 10 PM same dayFor CT test scheduled after 8 AM eConsultation to start from 8 AM next day and the physical reports to be delivered starting from 8 AM next day
CT Brain angiogram (DSA) of the head and neck is an X-ray test that uses a special dye and camera (fluoroscopy) to take pictures of the blood flow in the blood vessels of the head and neck. An angiogram of the neck (carotid angiogram) can be used to look at the large arteries in the neck that lead to the brain. DSA test for brain (cerebral angiogram) can be used to look at the veins or the four arteries (four-vessel study) carrying blood to the brain. During an angiogram, a thin, soft tube called a catheter is placed. into a blood vessel in the groin (femoral artery or vein) or just above the elbow(brachial artery or vein). The catheter is guided to the head and neck area. Then an iodine dye (CONTRAST material) is injected into the vessel to make the area show clearly on the X-ray pictures. The angiogram pictures can be made into regular X-ray films or stored as digital pictures in a computer. An angiogram can find a bulge in a blood vessel (aneurysm). It can also show narrowing or a blockage in a blood vessel that slows or stops blood flow. An abnormal pattern of blood vessels (arteriovenous [AV] malformation) or abnormal vessels near a tumor can be seen.