27 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Vein Occlusion ( ... CentralRetinalVein #Occlusion ... pathophysiology #ophthalmology ... #diagnosis #signs
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
infarcts from occlusions ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
edema caused by ... ischemia results ... axons death due to ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Hard Exudates • Occlusion ... fluffy white ischemic ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Artery Occlusion ... Vein Occlusion, ... Ischemic Optic ... Differential #Diagnosis #causes ... #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
- Small artery occlusive ... vein occlusion ... Caused by decreased ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... / Symptoms / Complications ... spread • Sub-retinal ... pathophysiology #ophthalmology ... #diagnosis #signs
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
or hemorrhage, Retinal ... artery or vein occlusion ... Lens dislocation, Ischemic ... differential #diagnosis #causes ... #ophthalmology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Guidelines for Crises ... is unconscious, signs ... New or evolving regional ... breathlessness, dizziness, nausea ... Guidelines for crises