51 results
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 #Symptoms
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... #Phenomenon #Sign ... #PhysicalExam #ophthalmology ... #neurology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... degeneration - Retina ... Painful: Keratitis, Corneal ... Differential #Diagnosis #causes ... #ophthalmology
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 ... Concussion Other Causes ... differential #diagnosis #ophthalmology ... #causes
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... exertion • Neurologic ... : Bell's palsy, ... dysrhythmias • Ophthalmologic ... Diagnosis #Symptoms #Signs
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... edema caused by ... • Ganglion cells ... pathophysiology #ophthalmology ... #diagnosis #signs
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
• Congenital Corneal ... Hemangioma • Retinal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs ... spread • Sub-retinal ... pathophysiology #ophthalmology ... #diagnosis #signs
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
the eye can be caused ... Common Causes: ... Conjunctivitis, corneal ... • Corneal ulcer ... differential #diagnosis #ophthalmology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
glomerulopathies • Causes ... hematuria • Signs ... Causes of Hematuria ... and SMA - Can cause ... #urology #nephrology