TY - JOUR T1 - Detection of carotid occlusive disease by pulsed Doppler spectral analysis. JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 1307 LP - 1313 DO - 10.1136/jnnp.47.12.1307 VL - 47 IS - 12 AU - D Russell AU - K F Lindegaard AU - P Nakstad AU - R Nyberg-Hansen AU - K G Oygarden Y1 - 1984/12/01 UR - http://jnnp.bmj.com/content/47/12/1307.abstract N2 - In this study a new pulsed Doppler spectral analysis system was used for the evaluation of extracranial carotid disease. When compared to the arteriography findings in 224 carotid arteries, the Doppler examination correctly detected all stenoses greater than 25%, all occlusions, all normal vessels, and 43% of stenosis causing a diameter reduction of less than 25%. ER -