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

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Pathogenesis and clinical ... Occlusion #CRVO #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... Stage 3: Severe/exudative ... #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
POCUS Eye, linear ... probe, optic nerve ... globe (crescent sign ... #clinical #ultrasound ... #ophthalmology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Femoral Cutaneous Nerve ... purely sensory nerve ... MeralgiaParesthetica #MSK #pathophysiology ... differential #diagnosis #signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
disorder of the optic nerve ... Clinical manifestations ... • Cephalic symptoms ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
hypothyroidism Pathophysiology ... mitochondrial oxidative ... fibers Spectrum of Clinical ... Hypothyroid #Myopathy #pathophysiology ... #signs #symptoms
Enlarged optic nerve sheath diameter and crescent sign in 30 yo female patient reporting 3 months
Enlarged optic nerve ... @SAlerhand #Papilledema ... Hypertension #Ocular #POCUS ... #Clinical #Ultrasound ... #crescent #sign
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... - Impinges on nerves ... #ophthalmology ... #diagnosis #signs ... #symptoms
Papilledema on Ocular POCUS
17 yo fem w/ HA and blurry vision x 1 month.  VS
Papilledema on Ocular ... POCUS 17 yo fem ... and dilated nerve ... #ultrasound #clinical ... #opthalmology