17 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
• Periorbital cellulitis ... Subconjunctival hemorrhage ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Diagnosis #table #causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... • Orbital Cellulitis ... Subconjunctival Hemorrhage ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
can be caused by ... Common Causes: ... Conjunctivitis, corneal ... ophthalmicus • Orbital cellulitis ... • Corneal ulcer
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Orbital cellulitis ... - Orbital hemorrhage ... • Fevers • Eye ... pain • Eye redness ... Unilateral #Bilateral #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Examine both eyes ... a mass as the cause ... Functional • Corneal ... Cranial Nerve IV - Eye ... Trauma • Subdural Hemorrhage
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... in 5 BC as foot cellulitis ... progressing to hemorrhagic ... #dermatology #legs ... #clinical #photo
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... frequently mistaken for cellulitis ... Images #Clinical #Photo ... #Dermatology #SkinRash
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... caustic exposure to eye ... detachment or hemorrhage ... caustic exposure to eye ... differential #diagnosis #causes
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
vessicles in this case ... prominent below left eye ... Images #Clinical #Photo ... #Dermatology #SkinRash
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Surface Injury: • Corneal ... Subconjunctival hemorrhage ... Retina: Tear, hemorrhage ... Diagnosis #Algorithm #Causes