15 results
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
• Orbital Cellulitis ... Ocular Surface ... Subconjunctival Hemorrhage ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
fluffy white ischemic ... Elschnig's Spots • Ischemia ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
re-vascularize the ischemic ... DR • Retinal hemorrhages ... causes upregulation ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... Impaired extra-ocular ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
disease (anterior ischemic ... Caused by decreased ... Ocular causes - ... anterior chamber hemorrhage ... Differential #Diagnosis #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Cataracts - Macula: Macular ... Vein Occlusion, Ischemic ... , Vitreal Hemorrhage ... Differential #Diagnosis #causes ... #ophthalmology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Periorbital Cellulitis ... normal: - extra-ocular ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Is visual loss caused ... with splinter hemorrhages ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Viral replication causes ... - Myocardial ischemia ... abdo pain, GI hemorrhage ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... LOC myalgia & hemorrhagic ... leading to organ ischemia ... encephalitis and cellulitis ... peds #pediatrics #pathophysiology