11 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... Subconjunctival hemorrhage ... EricsMedicalLectures/ #Red #Eye #redeye ... Diagnosis #table #causes ... #ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Subconjunctival Hemorrhage ... #Atraumatic #RedEye ... #Differential # ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner ... thrombosis • Hemorrhage ... ) • Temporal arteritis ... #Differential #
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Surface Injury: • Corneal ... #Traumatic #RedEye ... #Differential # ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... hypothalamus, and visual cortex ... meningeal irritation signs ... Non-traumatic subarachnoid hemorrhage ... diagnosis #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... thrombosis, Temporal arteritis ... detachment or hemorrhage ... #diagnosis #causes ... #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Tender temporal arteries ... - Temporal arteritis ... #signs #symptoms ... #clues #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... temporal (giant cell) arteritis ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... claudication, headaches ... (Cornelia NEJM ... required +/- prompt ophthalmology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... immunization Temporal arteritis ... Subarachnoid hemorrhage ... #redflags #signs ... #symptoms #differential