X-Ray Computed Tomography or CT scan is an imaging technology used in the medical field. The imaging method employed in CT scans is tomography that is images of a particular section are created by a computerized process. The use of X-Ray Computed Tomography in head injury cases can prove to be very crucial for detecting a traumatic brain injury.

Magnetic Resonance Imaging (MRI) is a radiology technique that has applications in the medical field to take images of internal structure of different parts of the body. When a person is struck on the head, there is a good chance that there might be some internal damage done to the brain. Using MRI, images of the brain interior can be taken and analyzed to detect the presence of bruising,

Magnetic Resonance Angiography is a set of technologies used in the medical field for generating detailed images of blood vessels in different parts of the body. Magnetic Resonance Imaging forms the base of this technique. Magnetic fields, radio waves and a computer are used in a MRA scan to produce high resolution images of the arteries and veins.

Glasgow Coma Scale (GCS) is a scale which is used to assess and record a person’s consciousness. The only objective of GCS is to give accurate and reliable information about consciousness so that further medical action can be decided for a person if it is required. When a person gets a serious blow on the head and loses consciousness, the Glasgow Coma Scale is used to note the level of consciousness.