In vitro study of continuous wave Doppler spectral changes resulting from stenoses and bulbs.


Quantitative analysis of continuous wave (CW) Doppler spectra by measurements of peak frequency and spectral broadening is an important non-invasive method for detecting disturbed flow caused by carotid arterial stenosis. It is known that severe stenoses can be detected; however, the spectral changes associated with minor or moderate stenoses may not be… (More)


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