39 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Occlusion #CRVO #pathophysiology ... diagnosis #signs #symptoms
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... absent or partial retinal ... spread • Sub-retinal ... Retinoblastoma #pathophysiology ... diagnosis #signs #symptoms
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Painless chancre • Regional ... testing • No symptoms ... • Gummatous • Nodular ... Syphilis #Stages #symptoms
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... in to larva in black ... Simulium spp. -> Black ... RiverBlindness #pathophysiology
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Abnormalities: Ocular ... Serotonin #Inhibitors #Pathophysiology ... Diagnosis #Signs #Symptoms
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Abnormalities: Ocular ... SerotoninNorepinephrine #Inhibitors #Pathophysiology ... Diagnosis #Signs #Symptoms
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
cells can go on to block ... exclusively affects black ... The underlying pathophysiology ... Features #Signs #Symptoms
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... artery => Central Retinal ... background of retinal ... Occlusion #CRAO #pathophysiology ... diagnosis #signs #symptoms
Lyme Disease - Diagnosis and Management Summary

Lyme Disease Epidemiology:
- Spirochete
- Reservoir: small mammals & birds
- Transmitted
eastern and north regions ... Carditis: - AV block ... first-second-third degree block ... Pericarditis • Ocular ... Iridocyclitis - Retinal
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
suggestive of retinal ... Patients As: • Black ... Detachment: Symptoms ... tear/hole • Retinal ... Differential #Diagnosis #Ocular