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Showing posts from December 18, 2009

VISUAL EXAMINATIONS USED IN RADIOLOGY-LESSON 135

VISUAL EXAMINATIONS USED IN RADIOLOGY:  The radiopaque studies may create some side effects in some patients as the radiopaque substance contains iodine contrast materials. The side effects may be of some bland reactions for instance redness of the skin, queasiness, warmth or itchiness sensations, and sometimes may be serious reactions like spasm in the airway, hives, swelling of the larynx, vasodilation, and rapid heart rate etc., Management of this situation is immediate fixing of ventilation followed by injections of adrenaline and corticosteroids or any antihistamine injection. When the patient is prone to allergic reactions some other studies like fluoroscopy, tomography, and MRI or magnetic resonance imaging are used. We will see about these procedures one by one. Fluoroscopy: X-rays are taken using a fluorescent screen by passing the equipment through the patient. The method of functioning of fluoroscopy is that when the rays of light energy the fluorescent plate a