FIELD: medicine.
SUBSTANCE: method involves recording final diastolic blood circulation speed (EDV) in common carotid artery. Lifting legs to 90° for 2 min is used as functional load. Carotid index IC is calculated before and after loading from formula IC = EDVica/EDVcca, then, absolute carotid index increment Δic is calculated from formula Δic = IC before loading - IC after loading. The value being equal to or less than -0.18, cerebrovascular reserves reduction and possible blood circulation disorder in orbital artery system is diagnosed.
EFFECT: wide range of functional applications in clinical diagnosis field.
4 dwg, 3 tbl
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METHOD FOR ULTRASOUND DIAGNOSTICS OF ISCHEMIC OPTICOPATHY IN PERSONS OF GERONTOLOGICAL AGE | 2003 |
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METHOD OF DIAGNOSING ISCHEMIC NEUROOPTICOPATHY | 2010 |
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METHOD OF DIAGNOSING PREDISPOSITION TO ISCHEMIC NEUROOPTICOPATHY | 2009 |
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RU2405455C1 |
METHOD FOR STUDYING REACTIVITY OF RESISTIVE ROUTE IN THE BASIN OF INTERNAL CAROTID ARTERY (ICA) IN OPHTHALMOLOGICAL PATIENTS | 2002 |
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DIAGNOSTIC TECHNIQUE FOR EARLY FORMS OF CEREBROVASCULAR INSUFFICIENCY | 2009 |
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RU2310389C1 |
Authors
Dates
2008-02-10—Published
2005-11-21—Filed