196 results
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... test • + Tinel sign ... over cubital tunnel ... • + Froment's sign ... #symptoms #msk
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 ... • Involves the orbit ... pathophysiology #ophthalmology ... #diagnosis #signs
Orbital Emphysema following ocular trauma and sneezing.

#Orbital #Emphysema #ocular #physicalexam #ophthalmology #clinical #video #crepitus
Orbital Emphysema ... #Orbital #Emphysema ... #physicalexam #ophthalmology
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital ... Retrobulbar #Hemorrhage #Ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids / Orbit ... cellulitis • Orbital ... Algorithm #Causes #Ophthalmology
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
thrombosis) - Orbital ... Vascular - Orbital ... hemangioma - Orbital ... Tvumor - Orbital ... Bilateral #Causes #ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... syndrome • Orbital ... pseudotumor • Orbital ... blowout fracture of orbital ... Diagnosis #Causes #Ophthalmology
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 ... differential #diagnosis #ophthalmology
Myelopathy - Injury to the entire spinal cord - Signs and Symptoms
 • Ataxia (early sign)
spinal cord - Signs ... Ataxia (early sign ... weakness (late sign ... dexterity loss (early signs ... #symptoms #msk
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... red reflex) • Orbital ... pathophysiology #ophthalmology ... #diagnosis #signs