16 results
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Iris 7. ... Trauma Cornea/Iris ... : • Cataracts ... Concussion Other Causes ... ophthalmology #causes
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
lasting seconds to less ... labyrinthitis • Head Position ... with vascular causes ... nose) • Head Position ... worsen with head position
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Scarring, Edema - Lens ... : Cataracts - ... Macula: Macular ... Unilateral, Painless: Lens ... Differential #Diagnosis #causes
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... Episcleritis Ocular ... Anterior Chamber/Uvea/Iris ... UVEA: comprised Iris ... Conjunctivitis #ocular
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
• Pterygium Lens ... Visibility: • Cataract ... • Age Related Macular ... Hemorrhage and Macular ... Diagnosis #Algorithm #Causes
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
: Abrasion • Iris ... mydriasis • Lens ... : Cataract, dislocation ... Diagnosis #Algorithm #Causes
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
(about 10% of cases ... immunity) - False-positive ... ; less commonly, ... Interpretation #diagnosis #laboratory
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... calcium-b) • Laboratory ... - Cytopenia - Less ... Discontinuation of causal ... versus DIL • Laboratory
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
Interpretation of Positive ... 1) Number of positive ... shaped GPR, these clues ... bottle first is less ... Interpretation #Laboratory
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
Her ocular exam ... In this case, the ... than 3mm in this case ... control of the iris ... pilocarpine which if positive