Problems of carotid Doppler scanning which can be overcome by using frequency analysis.

Abstract:

:The value of the concomittant use of a real time frequency analyzer along with a continuous wave carotid Doppler scanner is demonstrated in this study of 118 cases. With a colour-coded Doppler scanner alone, internal carotid stenoses greater than 35% were diagnosed with a sensitivity of 95% and a specificity of 82%. With the addition of frequency analysis certain inherent problems with Doppler scanning were overcome and with the measurement of the peak Doppler frequency, the specificity was improved to 93%.

journal_name

Stroke

journal_title

Stroke

authors

Johnston KW,Brown PM,Kassam M

doi

10.1161/01.str.13.5.660

subject

Has Abstract

pub_date

1982-09-01 00:00:00

pages

660-6

issue

5

eissn

0039-2499

issn

1524-4628

journal_volume

13

pub_type

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