18 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... mucins with reduced tear ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
Physical Exam A 73-year-old ... On ocular exam, ... present in this disease ... #PhysicalExam # ... Clinical #Video #Ocular
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
intervertebral disc disease ... inguinal ligament (near ... MeralgiaParesthetica #MSK #pathophysiology ... #differential # ... diagnosis #signs
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
ulceration • Ocular ... ) Differential Diagnosis ... spondyloarthritis • Ocular ... Giant retinal tears ... Leukemia, Lymphoma Ocular
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• The disease ... -> crowding of ocular ... damage & blindness Signs ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
positional vertigo (BPPV ... Méniére's disease ... Vascular disorders ... varying neurologic signs ... Vertigo #Causes #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Skin lesions (red macules ... , and ocular inflammation ... ulcers, cutaneous, ocular ... Cogan syndrome: Ocular
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
, and ocular inflammation ... ulcers, cutaneous, ocular ... Syndrome: - Ocular ... disease Differential ... purpura: strong sign
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... hypothalamus, and visual cortex ... - Autonomic symptoms ... meningeal irritation signs ... glaucoma - Ocular