FIELD: medicine. SUBSTANCE: method involves performing ultrasonic Doppler echography examination of vertebral arteries. Blood circulation asymmetry coefficient is calculated. The coefficient value exceeding 20% or difference between spectrum values of peripheral circulation resistance index being among 0.003 and 0.09 and of systole-diastole index being among 0.08 and 1.30, interhemispheric asymmetry is to be diagnosed with explicit or occult forms of vertebrobasilar blood vessels pathology. EFFECT: enhanced reliability and effectiveness of clinical diagnosis method. 1 dwg
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Authors
Dates
2000-06-27—Published
1999-02-16—Filed