22 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Detachment, Central Retinal ... Occlusion, Central Retinal ... Optic Neuropathy, Retinal
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Retina 11. ... nerve swelling Retina ... vein occlusion - Retinal ... differential #diagnosis #ophthalmology ... #causes
Retinal Detachment
 - Posterior vitreous shrinks with advancing age (aka synchysis senilis), pulling on the retina.
Retinal Detachment ... pulling on the retina ... - Pulling can cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Retinal
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... in the central retinal ... vision loss due to retinal ... #Fundoscopy #Central ... #Retinal #Vein
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Accommodation, RAPD ... Cornea D. ... Fundoscopy A. ... Retina B. ... EyeExamination #Approach #Ophthalmology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Differential Diagnosis Algorithm ... • Congenital Corneal ... Hemangioma • Retinal ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... axoplasm into retina ... CottonWool #Spots #fundoscopy ... #ophthalmology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Defining the cause ... renovascular HT, Renin-secreting ... differential #diagnosis #algorithm
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Differential Diagnosis Algorithm ... Surface Injury: • Corneal ... hemorrhage • Cornea ... hemorrhage • Retina ... #Causes #Ophthalmology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Refeeding syndrome • Rapid ... aldosterone • Renal ... Differential #Diagnosis #Algorithm