3455 results
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Diagnosis and Management ... periorbital, or orbital ... weeks #Scurvy #Pathophysiology ... #AscorbicAcid #Pathophysiology ... Nutrition #Diagnosis #Management
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... anterior to the orbital ... Inflammation of orbital ... • Involves the orbit ... #Cellulitis #pathophysiology
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital ... #Management #Lateral
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
• Unilateral orbital ... sinus, superior orbital ... fissure or orbit
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
thrombosis) - Orbital ... Vascular - Orbital ... hemangioma - Orbital ... Tvumor - Orbital ... - Spheno-orbital
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids / Orbit ... cellulitis • Orbital
Preseptal Cellulitis vs Orbital Cellulitis
Preseptal Cellulitis
 • Unlikely to have complications
 • Due to external source
Cellulitis vs Orbital ... Strep, Anaerobes Orbital ... #Preseptal #orbital
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
encephalopathy, Orbital ... Ischemic neuropathy, Orbital ... , pseudotumor, Orbital
Orbital Emphysema following ocular trauma and sneezing.

#Orbital #Emphysema #ocular #physicalexam #ophthalmology #clinical #video #crepitus
Orbital Emphysema ... #Orbital #Emphysema
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... Tinel sign over cubital ... Syndrome #Diagnosis #pathophysiology