291 results
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Abnormal blood flow ... blood flow allows ... edema caused by ... ischemia results in disc ... -> Pale Optic Disc
Comparison of Ocular Pathologies on POCUS:
 • Vitreous Detachment
 • Vitreous Hemorrhage
 • Retinal Detachment

Vitreous detachment
Comparison of Ocular ... Hemorrhage • Retinal ... Here are other ocular ... tethers to the optic disc ... Herbst @EUSmkh #Ocular
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Pathological Optic Disc ... Note cup-to-disc ... Usual cause is glaucoma ... Glaucoma causes ... slow death of optic
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
nervefiber layer -> Retinal ... of the terminal retinal ... Ischemia of optic disc ... Leakage of optic disc ... hemorrhage and disc
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Ocular Adverse Effects ... Detachment • Macular ... Concussion Other Causes ... or optic disk ... ophthalmology #causes
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... body, vitreous, retina ... blindness, linked to macular ... secondary glaucoma and retinal ... ischemia Causes
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
- Differential Algorithm ... Categorized by Causes ... Extrarenal Losses, Renal ... Losses (High and Low ... #Differential #Algorithm
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Ocular Movements ... Retina B. ... Optic Nerve / Disc ... / Cup: Disc Ratio ... Blood Vessels #Ocular
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
into the deeper retinal ... to significant retinal ... ischemia causes ... neovascularization in the disc ... macula, and/or retina
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Differential Diagnosis Algorithm ... Degeneration (Wet, Dry) Retina ... Papilledema, Irregular Disc ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology