The role of continuous wave Doppler imaging in a vascular unit
- 1 October 1985
- journal article
- research article
- Published by Oxford University Press (OUP) in Cardiovascular Research
- Vol. 19 (10) , 631-635
- https://doi.org/10.1093/cvr/19.10.631
Abstract
A continuous wave (CW) Doppler imaging system has been used in the assessment of patients with suspected carotid artery disease. In 137 comparisons with conventional angiography the sensitivity of CW Doppler Imaging was 91% and specificity 93% respectively in the detection of >50% diameter internal carotid stenosis. The main diagnostic criterion for >50% internal carotid stenosis was the presence of a peak internal carotid systolic Doppler shift frequency >4 KHz. An examination protocol is recommended which combines CW Doppler imaging with common carotid waveform changes and the temporal artery compression test.Keywords
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