16 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Stage 3: Severe/exudative ... nerve fiber layer ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Vitreous Hemorrhage - J. Christian Fox @jchristianfox 
#Clinical #Ophthalmology #POCUS #Ocular #Vitreous #Hemorrhage #Blood #WashingMachine #Sign
Vitreous Hemorrhage ... jchristianfox #Clinical #Ophthalmology ... #POCUS #Ocular ... #Vitreous #Hemorrhage ... WashingMachine #Sign
44M with h/o DM2 and insulin noncompliance presents w R eye visual loss x 3d. What's
without retinal ... washing machine" sign ... #Clinical #POCUS ... #Ocular #Ophthalmology ... WashingMachine #Sign
Clumpy vitreous hemorrhage like clothes in a dryer - J. Christian Fox @jchristianfox

#Clinical #Ophthalmology #POCUS #Ocular
Clumpy vitreous hemorrhage ... jchristianfox #Clinical #Ophthalmology ... #POCUS #Ocular ... #Vitreous #Hemorrhage ... WashingMachine #Sign
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
Papilledema on Ocular ... probe, optic nerve ... globe (crescent sign ... 3mm posterior to retina ... #ultrasound #ophthalmology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
disorder of the optic nerve ... with splinter hemorrhages ... • Cephalic symptoms ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... suffusion (redness w/o exudate ... Weil's disease (renal ... • Pulmonary hemorrhage ... Diagnosis #Illness #Signs
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Central Retinal ... Occlusion (CRAO) on Ocular ... intra-arterial spot sign ... Occlusion #CRAO #Ocular ... #ultrasound #ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Autonomic symptoms ... meningeal irritation signs ... Non-traumatic subarachnoid hemorrhage ... glaucoma - Ocular ... the trigeminal nerve
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... - Impinges on nerves ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms