Amaurosis fugax causes: Difference between revisions
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==Overview== | |||
Amaurosis fugax is a symptom of [[carotid artery disease]]. It occurs when a piece of plaque in a [[carotid artery]] breaks off and travels to the [[retinal artery]] in the eye. The carotid arteries provide the main blood supply to the brain. They are located on each side of the neck under the jaw.Plaque is a hard substance that forms when fat, [[cholesterol]], and other substances build up in the walls of arteries. Pieces of plaque can block blood flow. In people with amaurosis fugax, [[vision loss]] continues as long as the blood supply to the retinal artery is blocked. | |||
Atherosclerosis of the arteries in the neck is the main risk factor for this condition. Risk factors for atherosclerosis include [[heart disease]], [[high cholesterol]], [[smoking]], [[diabetes]], and [[high blood pressure]]. | |||
==References== | ==References== | ||
Revision as of 15:42, 26 November 2012
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Amaurosis fugax Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Amaurosis fugax causes On the Web |
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American Roentgen Ray Society Images of Amaurosis fugax causes |
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Risk calculators and risk factors for Amaurosis fugax causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Amaurosis fugax is a symptom of carotid artery disease. It occurs when a piece of plaque in a carotid artery breaks off and travels to the retinal artery in the eye. The carotid arteries provide the main blood supply to the brain. They are located on each side of the neck under the jaw.Plaque is a hard substance that forms when fat, cholesterol, and other substances build up in the walls of arteries. Pieces of plaque can block blood flow. In people with amaurosis fugax, vision loss continues as long as the blood supply to the retinal artery is blocked. Atherosclerosis of the arteries in the neck is the main risk factor for this condition. Risk factors for atherosclerosis include heart disease, high cholesterol, smoking, diabetes, and high blood pressure.