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Keith-Wagener-Barker classification[kēth wag´ĕ-ner bahr´ker]
a classification of hypertension and arteriolosclerosis based on retinal changes.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Classification of the funduscopic findings in hypertensive patients. Grades 1 to 4 indicate progressive pathological changes. Grade 1 is moderate narrowing of the retinal arterioles; grade 2 indicates retinal hemorrhages in addition to arteriolar narrowing; in grade 3 there are cotton-wool exudates; grade 4 shows papilledema, i.e., edema of the optic disk.
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