As the death of Walter Cronkite shocked the world today due to cerebral vasculaer disease, several radiographic examinations that can detect cerebral vascular disease has been in the lime light once again.
The following list below together with their overview of benefits are shown below:
- Cerebral Angiography or Vertebral Angiogram or Carotid Angiogram: In this radiological diagnostic method a catheter (a long narrow flexible tube) is inserted into the patient’s artery (usually from his/her leg) with the help of a needle and guided through the main vessels of the abdomen and chest until it is placed in the arteries of the neck. The whole procedure is monitored with the help of a fluoroscope. X-ray pictures are taken after injecting a contrast dye in the neck with the help of the catheter.
- Carotid Duplex or Carotid Ultrasound: In this noninvasive test, ultrasound waves are used to detect plaque, blood clots or other blood flow problems in the carotid arteries. The images of carotid arteries and pulse wave form are carefully observed on a monitor.
- Computed Tomography (CT or CAT scan): This method is used to diagnose and detect hemorrhagic strokes, since blood, bone and brain tissue can be easily distinguished due to their difference in densities. It is important to note that damage from ischemic stroke cannot be detected by this scanning method.
- Doppler Ultrasound: In this noninvasive test high frequency sound waves are directed with the help of a transducer on to the artery or vein in question and detected on the Doppler.
- Electroencephalogram (EEG): In this method, small metal discs (electrodes) are placed on the patient’s scalp to detect electrical impulses, which are printed out as brain waves.
- Magnetic Resonance Imaging (MRI): In this method of diagnosis, three dimensional images of body structures are produced using magnetic fields and computer technology. The clear pictures of nerve tissue, brain stem and posterior brain can help determine signs of prior strokes if any.
- Magnetic Resonance Angiogram (MRA): The MRA shows actual blood vessels in the neck and brain and helps in detecting blockage and aneurysms.
Source: http://www.omnimedicalsearch.com/conditions-diseases/cerebrovascular-disease-tests-diagnosis.html
