46 results
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... the optic nerve caused ... altitudinal defect • Fundoscopy ... Clinical manifestations ... #Rheumatology #Ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... retinopathy) #Clinical ... #Ophthalmology ... #Fundoscopy #Central
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 ... #Clinical
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... CottonWool #Spots #fundoscopy ... #ophthalmology ... #Clinical
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... Sedimentation rate ... (ESR or sed rate ... identifies 85 to 95% of cases ... required +/- prompt ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Pathogenesis and clinical ... GCA, SLE, GPA) - ... retinal edema caused ... Occlusion #CRAO #pathophysiology ... #ophthalmology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Pathogenesis and clinical ... share the same pathophysiology ... prior to growth plate ... • Other rare causes ... endocrinology #pathophysiology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Pathogenesis and clinical ... neovascularization seen on fundoscopy ... edema seen on fundoscopy ... MacularDegeneration #pathophysiology ... #ophthalmology
Neovascular membrane on Fundoscopy Ocular Examination

Neovascular membrane in a patient with late age-related macular degeneration

Dr. Sebastian
Neovascular membrane on Fundoscopy ... a patient with late ... #PhysicalExam #clinical ... #video #ophthalmology ... #Fundoscopy
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
0 to decrease rate ... node activity (rate ... influx into cells (rate ... Classification #Classes ... #pathophysiology