8 results
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 ... #Ocular #POCUS ... clinical #ultrasound #ophthalmology
Enlarged optic nerve sheath diameter and crescent sign in 30 yo female patient reporting 3 months
Enlarged optic nerve ... diameter and crescent sign ... @SAlerhand #Papilledema ... #IIH #Idiopathic ... Hypertension #Ocular #POCUS
Papilledema on Ocular POCUS

This 27yo female presents with an intractable headache. Which of the following do
Papilledema on Ocular ... POCUS This 27yo ... ultrasound demonstrated signs ... #POCUS #IIH #clinical ... #ultrasound #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Stage 3: Severe/exudative ... inner retinal nerve ... disc edema. -> Papilledema ... pathophysiology #ophthalmology ... #diagnosis #signs
Secondary Glaucoma: Pathogenesis and Clinical Findings
Open-Angle Secondary Glaucoma:
 • Pre-trabecular defect -> Aqueous outflow is obstructed
Secondary Glaucoma ... cribosa -> Optic nerve ... damage to optic nerve ... growth factors, oxidative ... #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... funduscopy or papilledema ... pupil with third nerve ... post-traumatic headache), IIH ... #headache #signs
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Miosis Secondary ... meningeal irritation signs ... angle-closure glaucoma ... the trigeminal nerve ... differential #diagnosis #ophthalmology
Primary Open-Angle Glaucoma: Pathogenesis and Clinical Findings
 • Risk factors -> Incr IOP, Incr age, African-American
Primary Open-Angle Glaucoma ... damage to optic nerve ... growth factors, oxidative ... central vision #Secondary ... pathophysiology #ophthalmology