34 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... Impaired extra-ocular ... -> Corneal drying ... #pathophysiology ... ophthalmology #diagnosis #signs
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
- Scleritis Cornea ... keratitis - Corneal ... neuritis - Orbital cellulitis ... Ophthalmology #Eye #Ocular
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... conjunctiva and cornea ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
• Pre-septal cellulitis ... • Orbital Cellulitis ... Ocular Surface ... Conjunctivitis • Corneal ... • Keratitis/Corneal
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
from nasal or ocular ... of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Cornea 5. ... Ocular Adverse Effects ... Trauma Cornea ... Keratitis • Corneal ... Orbit: • Orbital cellulitis
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... > Keratoconus Signs ... • Rizutti's Sign ... • Corneal Opacities ... #Keratoconus #pathophysiology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Periorbital Cellulitis ... normal: - extra-ocular ... #Periorbital #Cellulitis ... #pathophysiology ... ophthalmology #diagnosis #signs
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
XR — scotty dog sign ... vertebrae • CT - collar ... MSK #diagnosis #pathophysiology ... #signs #symptoms
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Diagnostic Algorithm Pathophysiology ... range of potential pathophysiologic ... - Pathophysiology ... Ill-appearing, vital sign ... Mucocutaneous or ocular