LEWIS SASSÉ, M.D., F.A.C.P.
To the editor: Millman and colleagues maintain, in "Pericardial Tumor or Fibrosis Mimicking Pericardial Effusion by Echocardiography" (Ann Intern Med 86:434-436, 1977), that their echocardiograms "represent true findings and not 'false-positives' because they were taken in standard position and were taken using the usual method for evaluation of the pericardium." However, the main criterion used was a sonolucent space between the apparent posterior epicardium and pericardium according to a 1970 reference (1). More recent publications have stressed the need for sweeping the transducer from the posterior left ventricular wall to the posterior left atrial wall where the sonolucence due to
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SASSÉ L. Pericardial Echocardiography. Ann Intern Med. 1977;87:635. doi: 10.7326/0003-4819-87-5-635_1
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Published: Ann Intern Med. 1977;87(5):635.
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