Magnetic Resonance Imaging (MRI). Guide. Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to make pictures of organs and structures inside the body.In many cases, MRI gives different information about structures in the body than can be seen with an X-ray, ultrasound, or computed tomography (CT) scan.n MRI scan can be done for the: 1  Head. 2  MRI can look at the brain for tumors, an aneurysm, bleeding in the brain, nerve injury, and other problems, such as damage caused by a stroke. 3  MRI can also find problems of the eyes and optic nerves, and the ears and auditory nerves.
:: a brief history of CT. The first clinical CT scan on a patient took place on 1st October 1971 at Atkinson Morley's Hospital, in London, England.
Individual Sick Slip (DD Form 689) This UPDATE printing'publishes a new revision which is dated 30 April 1985. Because the structure of the text has been reorganized, no attempt has been made to highlight changes from the earlier regulation dated 1 November 1978. By Order of the Secretary of the Army: JOHN A. WICKHAM, JR. General, United States Army Chief of Staff Official: DONALD J. DELANDRO Brigadier General, United States Army The Adjutant General Summary. This regulation governs the use of DD Form 689 (Individual Sick Slip). Applicability. This regulation applies toâ a. Active Army personnel. b.