39 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... #Xeropthalmia #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Algorithm Painful - Cornea ... Demyelination • MS ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... Keratoconus Signs / Symptoms ... Rizutti's Sign • Corneal ... #Keratoconus #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
Pathogenesis and Symptoms ... is thought to cause ... into the cerebral cortex ... is thought to cause ... Schizophrenia #pathophysiology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Myopathy (Also caused ... Erythematosus #SLE #MSK ... Complications #pathophysiology ... #signs #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
the eye can be caused ... Common Causes: ... Questions to Ask ... Unilateral or bilateral symptoms ... differential #diagnosis #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... red-brown coloured -> Copper ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
For pituitary masses ... This order (with ... Signs / Symptoms ... Headaches • Nausea ... mnemonic #GLFTAP #pathophysiology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Neurologic symptoms ... a mass as the cause ... Functional • Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology