62 results
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
Selected Differential ... - Scleritis Cornea ... keratitis - Corneal ... Other - Cluster headache ... Ophthalmology #Eye #Ocular
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner ... • Meningeal signs ... Systemic symptoms and signs ... #Differential #
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... hypothalamus, and visual cortex ... meningeal irritation signs ... glaucoma - Ocular ... #differential #
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... conjunctiva and cornea ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye - Differential ... Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... Ocular Adverse Effects ... Concussion Other Causes ... Blurry #Vision #differential ... ophthalmology #causes
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Chronic: - Cornea ... Cataracts - Macula: Macular ... Painful: Keratitis, Corneal ... #Diagnosis #causes
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... bite • Fever, headache ... is rare (< 10% cases ... ), cough (30% cases
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... stroke • Severe nausea ... Tentorial pressure cone ... #signs #symptoms ... #clues #differential