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

1) Is visual loss caused
optic neuropathy (AION ... Definition: acute ... disorder of the optic nerve ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Acute Closed Angle ... leads to optic nerve ... damage & blindness Signs ... #pathophysiology ... #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
vasoconstrictive • Acute ... Stage 3: Severe/exudative ... #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... funduscopy or papilledema ... pupil with third nerve ... #headache #signs ... #symptoms #clues
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Autonomic symptoms ... meningeal irritation signs ... headache: - Acute ... angle-closure glaucoma ... the trigeminal nerve
Secondary Glaucoma: Pathogenesis and Clinical Findings
Open-Angle Secondary Glaucoma:
 • Pre-trabecular defect -> Aqueous outflow is obstructed
-> Calcium ion ... damage to optic nerve ... growth factors, oxidative ... #pathophysiology ... #ophthalmology
Primary Open-Angle Glaucoma: Pathogenesis and Clinical Findings
 • Risk factors -> Incr IOP, Incr age, African-American
Primary Open-Angle Glaucoma ... -> Calcium ion ... growth factors, oxidative ... #pathophysiology ... #ophthalmology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
clinical findings Acute ... Transudation or exudation ... bone): facial nerve ... #Mastoiditis #pathophysiology ... #signs #symptoms