197 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea ... ophthalmology #diagnosis #signs
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
hemorrhage • Dry eyes Cornea ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Diagnosis #table #causes
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Algorithm Surface Injury ... : • Corneal Abrasion ... • Orbital Apex Injury ... hemorrhage • Cornea ... Diagnosis #Algorithm #Causes
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Hyperacusis - Loss of Corneal ... Palsy #Neurology #Signs
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... degeneration, and cone-shaped ... > Keratoconus Signs ... • Rizutti's Sign ... • Corneal Opacities
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Painful: Keratitis, Corneal ... Differential #Diagnosis #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
Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex ... ophthalmology #causes
Posteromedial Instability on Knee Exam
This is what a knee with posteromedial instability looks like. Notice the
posteromedial injury ... Posteromedial corner ... #PhysicalExam #Injury ... #MSK #clinical
Myelopathy - Injury to the entire spinal cord - Signs and Symptoms
 • Ataxia (early sign)
Myelopathy - Injury ... spinal cord - Signs ... Ataxia (early sign ... weakness (late sign ... #symptoms #msk
Reverse Pivot Shift Test on Physical Exam

Dx: Posterolateral corner injury; but beware proximal tib/fib instability 

Kendall
Posterolateral corner ... injury; but beware ... Posterolateral #corner ... #injury #Reverse ... PhysicalExam #clinical #msk