By Eisenberg R., Margulis A.
Clinical imaging now performs a huge function in analysis, selection of treatment, and follow-up. even though, sufferers are frequently intimidated via the a number of imaging modalities to be had, the symptoms for his or her use, the enforcing apparatus, what the examinations are like and the way lengthy they final, and the benefits and downsides of varied approaches. This ebook is designed to supply motives for those and different matters which will relieve a number of the nervousness with regards to scientific imaging stories.
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Additional info for A patient's guide to medical imaging
Large amount of free gas in the peritoneal cavity from an intestinal perforation outlines the top of the liver and spleen and the underside of the diaphragm. If you have sciatica or other symptoms of degenerative disc disease, your physician may order a plain radiograph of your spine. How Do I Prepare for a Plain Radiograph? Unlike many other imaging studies, plain radiographic examinations do not require any special preparation. Depending on the part of the body being examined, you may be asked to undress and be given a lightweight gown to wear.
Swallowing differs depending on the consistency of the food. Therefore, you will be asked to eat a variety of food types, including thin liquid barium, a thicker mixture with the consistency of pudding, and a solid cracker or cookie that requires chewing and manipulation in the mouth before swallowing. If you have experienced problems with speciﬁc types of food, these or similar products can be used to better evaluate your symptoms. If a swallowing abnormality is identiﬁed, the speech therapist may suggest an appropriate treatment strategy to make eating and drinking safer and more efﬁcient.
Red goggles were developed to address this problem of dark adaptation. However, serious problems remained. Spending hours peering at a dimly ﬂuorescing screen caused signiﬁcant eyestrain, and prolonged exposure to radiation from unshielded x-ray tubes often led to serious injury. The development of the x-ray image intensiﬁer and the television camera in the 1950s completely revolutionized the use of ﬂuoroscopy in clinical diagnosis. Image intensiﬁers permitted the light produced by the ﬂuoroscopic screen to be dramatically ampliﬁed so that images could be seen even in a lighted room without prior dark adaptation.
A patient's guide to medical imaging by Eisenberg R., Margulis A.