Retinal hemorrhage: Difference between revisions
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==Background== | ==Background== | ||
[[File:Roth spots.png|thumb|Roth spots due to retinal vein occlusion]] | |||
*Due to retinal capillary rupture, can be due to acute or chronic processes | *Due to retinal capillary rupture, can be due to acute or chronic processes | ||
*'''Roth Spots''': retinal hemorrhages with white center, seen on fundoscopy | *'''Roth Spots''': retinal hemorrhages with white center, seen on fundoscopy | ||
*May be asymptomatic, or cause visual loss | *May be asymptomatic, or cause visual loss | ||
==Causes== | ==Causes== | ||
*Subacute bacterial [[endocarditis]] | *Subacute bacterial [[endocarditis]] | ||
Revision as of 03:10, 11 December 2016
Background
- Due to retinal capillary rupture, can be due to acute or chronic processes
- Roth Spots: retinal hemorrhages with white center, seen on fundoscopy
- May be asymptomatic, or cause visual loss
Causes
- Subacute bacterial endocarditis
- Hypertensive retinopathy
- Diabetic retinopathy
- Trauma: nonaccidental trauma (shaken-baby syndrome), intracranial hemorrhage, neonatal birth trauma
- Central Retinal Artery Occlusion (CRAO), Central Retinal Vein Occlusion (CRVO)
- Anemia, leukemia, sickle cell anemia
- Anoxia
- Acute mountain sickness
- Carbon monoxide poisoning
- Prolonged intubation during anesthesia
- Connective tissue disease, SLE
- Scurvy, Wernicke-Korsakoff syndrome
- Preeclampsia
- Pentoxifylline
- Ocular decompression following trabeculectomy