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  • Title: The reliability of echocardiography in the diagnosis of infective endocarditis.
    Author: Thomson KR, Nanda NC, Gramiak R.
    Journal: Radiology; 1977 Nov; 125(2):473-6. PubMed ID: 910060.
    Abstract:
    The echocardiograms of 17 patients with proved infective endocarditis were surveyed to assess the reliability of echocardiography in this disease. Vegetations were present on 20 valves (11 aortic, 7 mitral, 2 tricuspid) at surgery or autopsy. Echocardiography correctly identified the abnormality in 11 valves. There were 8 valves with false-negative studies of which only one examination was technically inadequate. One false-positive echocardiogram was found. A negative echocardiogram does not exclude infective endocarditis. The size of the vegetation is not the only consideration in its detection echocardiographically. False-positive and false negative studies are discussed.
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