CLYDE B. SCHECHTER, M.D.
To the editor: I was happy to see the study by Grayburn and coworkers (1) on the ability of several different techniques to identify aortic insufficiency. Clinicians need to be aware of the strengths and limitations of diagnostic techniques. I would qualify their conclusion, however, that pulsed Doppler echocardiography is the method of choice.
For physicians who are managing patients, the confidence that can be placed in management decisions depends on the positive and negative predictive values of the test. These values, in turn, depend on the prevalence of the disease in the population being examined. In the setting described
SCHECHTER CB. Detecting Aortic Insufficiency by Echocardiography. Ann Intern Med. ;105:299. doi: 10.7326/0003-4819-105-2-299_1
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Published: Ann Intern Med. 1986;105(2):299.
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