2844 results
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids / Orbit ... cellulitis • Orbital ... Diagnosis #Algorithm #Causes
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
thrombosis) - Orbital ... Vascular - Orbital ... hemangioma - Orbital ... Tvumor - Orbital ... Unilateral #Bilateral #Causes
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital ... The most common cause
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... encephalopathy, Orbital ... Ischemic neuropathy, Orbital ... , pseudotumor, Orbital
Exophthalmos (also known as proptosis) is the protrusion of one eye or both anteriorly out of
anteriorly out of the orbit ... an increase in orbital ... an increase in orbital ... within the bony orbit ... the underlying cause
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
syndrome • Orbital ... pseudotumor • Orbital ... Traumatic neuropathy (orbital ... blowout fracture of orbital ... Differential #Diagnosis #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
a mass as the cause ... Entrapment • Orbital ... Inflammation • Orbital ... Tumor • Orbital ... Diagnosis #Algorithm #Causes
Diplopia - Differential Diagnosis
Step 1: Consider Stroke
Step 2: Diplopia PLUS
 - Cavernous Sinus Syndrome
 - Infection
Severe HA - Orbital ... Diagnosis #Algorithm #Causes
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
emphysema of lid: • Orbital ... Mid-facial Fracture • Orbital ... Floor Fracture • Orbital ... Diagnosis #Algorithm #Causes
Algorithm for the Evaluation of Diplopia: Diplopia has been explored previously on ddxof. The earlier algorithm
This algorithm uses ... potential etiologic causes ... Monocular #Binocular #Orbital