42 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Optic Disc Edema

The optic disc is elevated and its surface is covered by cotton wool spots
is elevated and its ... #papilledema #fundoscopy ... #ophthalmology
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
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... CottonWool #Spots #fundoscopy ... #ophthalmology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
replicates within CNS ... cause quadriplegia ... induces vascular & CNS ... CNS and hematologic ... peds #pediatrics #pathophysiology
Antiemetics and Vomiting

#Pathophysiology #Antiemetics #Locations #Action #Pathways #Nausea #Chemotherapy #TriggerZone #CTZ
and Vomiting #Pathophysiology ... Action #Pathways #Nausea ... #TriggerZone #CTZ
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
an identifiable cause ... The cause is unknown ... but its clinically ... neurology #anatomy #pathophysiology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
neovascularization seen on fundoscopy ... edema seen on fundoscopy ... MacularDegeneration #pathophysiology ... #ophthalmology
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
production and its ... although hepatic causes ... namely, the many causes ... many non-hepatic causes ... deficiency #Ammonia #Pathophysiology
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 ... halo sign PET/CT ... #Rheumatology #Ophthalmology