Diagnostic criteria for carotid duplex sonography.

  title={Diagnostic criteria for carotid duplex sonography.},
  author={Misi L Robinson and David Sacks and Gary S Perlmutter and David L. Marinelli},
  journal={AJR. American journal of roentgenology},
  volume={151 5},
Optimal criteria for the duplex sonographic diagnosis of carotid artery stenosis have not yet been defined. We studied 205 vessels in 105 patients with both duplex sonography and angiography. Four diagnostic groups were defined on the basis of Doppler flow characteristics. Receiver-operating-characteristic curves were used to compare diagnostic criteria at significant stenosis levels, and to select threshold values that emphasize specificity as well as sensitivity. Peak systolic velocity… CONTINUE READING
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