437 results
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Blood and thunder" fundoscoplc ... Management: • Ophthalmology ... Occlusion #CRVO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Papilledema vs Normal Optic Disc

Blurred vs sharp optic disc margins

#Papilledema #OpticDisc #Normal #Comparison #Fundoscopy #Ophthalmology #Clinical
Normal #Comparison #Fundoscopy ... #Ophthalmology ... #Clinical #Diagnosis
Unmeasured Anions Associated with an Elevated Anion Gap and Metabolic Acidosis

#Unmeasured #Anions #Gap #Metabolic #Acidosis #Diagnosis
Metabolic #Acidosis #Diagnosis ... #Nephrology #Table ... #Differential #Causes
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... OpticDisc #Cupping #fundoscopy ... #ophthalmology
Eye Anatomy and Key Diagnoses Rule of 2s - Posterior Eye - Use fundoscopy and ultrasound
Anatomy and Key Diagnoses ... Posterior Eye - Use fundoscopy ... and ultrasound #Diagnosis ... RuleOf2s #RuleOfTwos #Table
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... CottonWool #Spots #fundoscopy ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
• Immediate ophthalmology ... Occlusion #CRAO #Diagnosis ... #Clinical #Fundoscopy ... #Ophthalmology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... Hyperreflexia #Testing #Causes ... #differential #diagnosis ... #table #neurology
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... inhabitants 3rd leading cause ... retinal ischemia Causes ... #Differential #Diagnosis ... #Ophthalmology