منابع مشابه
Medical imaging modalities: Prevention of unnecessary orders and non-optimized radiation exposure
Magnetic resonance imaging (MRI) uses a constant magnetic field and radio waves, a non-invasive method for examining tissues, organs and the skeletal system. Advantages and disadvantages of MRI are not fully understood; however, it has been commonly used in the diagnosis of skeleton and bone diseases (such as disk and spinal disorders, joint disorders (arthritis), bone tumours and tissues...
متن کاملmedical imaging modalities: prevention of unnecessary orders and non-optimized radiation exposure
magnetic resonance imaging (mri) uses a constant magnetic field and radio waves, a non-invasive method for examining tissues, organs and the skeletal system. the advantages and disadvantages of mri is not fully understood. in the computerized tumor (ct) scan, as an invasive method, the x-rays of the body is used for tomography; which different x-ray attenuation coefficient in tissues as well as...
متن کاملIonizing radiation in abdominal CT: unindicated multiphase scans are an important source of medically unnecessary exposure.
PURPOSE CT radiation exposure has come under increasing scrutiny because of dramatically increased utilization. Multiphase CT studies (repeated scanning before and after contrast injection) are a potentially important, overlooked source of medically unnecessary radiation because of the dose-multiplier effect of extra phases. The purpose of this study was to determine the frequency of unindicate...
متن کاملAvoiding Unnecessary Coma
1 Laurence D. What is pharmacology? A discussion. Trends Pharmacol Sci 1997; 18: 153–5 2 Power I. Fentanyl HCl iontophoretic transdermal system (ITS): clinical application of iontophoretic technology in the management of acute postoperative pain. Br J Anaesth 2007; 98: 4–11 3 Hendrickx JFA, Eger EI, II, Sonner JM, Shafer SL. Is synergy the rule? A review of anesthetic interactions producing hyp...
متن کاملPhysician suicide: unnecessary losses.
On a very ordinary day in a very unremarkable year of fellowship training, one of my closest friends gave me a clue I still grieve over missing: she said that in a few days, all the secrets patients and friends had confided in her would be safe forever. I remember thinking it was a strange remark, but didn’t pursue it. That weekend, she left her clothes and wallet on a Nantucket beach and swam ...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2006
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.060066