title: Duplex scan aids in determining need for carotid endarterectomy.
mesh_terms: D000792:Angiography / Q000592:standards; D016893:Carotid Stenosis / Q000000981:diagnostic imaging* / Q000451:nursing / Q000601:surgery; D016894:Endarterectomy, Carotid; D006801:Humans; D008403:Mass Screening / Q000379:methods; D018579:Patient Selection; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D018616:Ultrasonography, Doppler, Duplex / Q000592:standards*