562 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
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
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis
Hyperthermic Syndromes - This table summarizes the similarities and differences between some toxicologic causes of hyperthermic
Hyperthermic Syndromes ... some toxicologic causes ... of hyperthermic syndromes ... • Serotonin syndrome ... Comparison #Table #Diagnosis
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
- Differential Diagnosis ... Posner-Schlossman Syndrome ... HIA B27-related syndrome ... #Differential #Diagnosis ... #Causes #ophthalmology
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... - Differential Diagnosis ... administration Other causes ... #Differential #Diagnosis ... #Causes
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... CottonWool #Spots #fundoscopy ... #ophthalmology
Budd Chiari Syndrome
Hepatic vein obstruction. Can be caused by thrombosis or sometimes a tumour. Can lead
Budd Chiari Syndrome ... Can be caused by ... #BuddChiari #Syndrome ... #Diagnosis #Causes
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