Diabetic retinopathy physical examination: Difference between revisions
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==Dot Hemorrhages== | ==Dot Hemorrhages== | ||
[[image:Dot-hemorrhage.jpg| | [[image:Dot-hemorrhage.jpg|left|thumb|White arrow points to a dot hemorrhage in a dibetic patient. Credit: University of Michigan Kellogg Eye Center]] | ||
Dot hemorrhages are dark red round spots of hemorrhage seen on fundoscopic exam. They are frequently observed in patients with diabetic retinopathy. Dot hemorrhages are due to either capillary or venular leak. The site of hemorrhage is deep within the retina. | Dot hemorrhages are dark red round spots of hemorrhage seen on fundoscopic exam. They are frequently observed in patients with diabetic retinopathy. Dot hemorrhages are due to either capillary or venular leak. The site of hemorrhage is deep within the retina. {{clr}} | ||
== References == | == References == | ||
Revision as of 16:09, 17 September 2011
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Diabetic retinopathy Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Diabetic retinopathy physical examination On the Web |
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American Roentgen Ray Society Images of Diabetic retinopathy physical examination |
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Risk calculators and risk factors for Diabetic retinopathy physical examination |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
On fundoscopic exam, diabetic retinopathy is characterized by cotton wool spots, flame hemorrhages, and dot-blot hemorrhages.
Flame Hemorrhages
Flame hemorrhages are flame shaped hemorrhages located in the superficial nerve fiber layer of the retina that appear dark dark red on fundoscopic examination. Flame hemorrhages are caused by leakage from arterioles due to ischemic damage or from veins that are ischemic or in under high pressure.
Dot Hemorrhages
Dot hemorrhages are dark red round spots of hemorrhage seen on fundoscopic exam. They are frequently observed in patients with diabetic retinopathy. Dot hemorrhages are due to either capillary or venular leak. The site of hemorrhage is deep within the retina.
References
External links
- Diabetic Retinopathy Resource Guide from the National Eye Institute (NEI).
- National Diabetes Information Clearinghouse
cs:Diabetická retinopatie de:Diabetische Retinopathie nl:Diabetische retinopathie fi:Diabeettinen retinopatia