36 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea ... #Xeropthalmia #pathophysiology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Differential Diagnosis Algorithm ... Surface Injury: • Corneal ... Rim/Mid-facial Fracture ... hemorrhage • Cornea ... Differential #Diagnosis #Algorithm
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... degeneration, and cone-shaped ... • Rizutti's Sign ... • Corneal Opacities ... #Keratoconus #pathophysiology
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
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... posterior) and bone cortex ... anterior sail sign ... #Elbow #Radiology
Proximal aorta transverse view caudal to Figure 3. Note inferior vena cava (ivc), aorta (ao), anterior
(ao), anterior cortex ... “clock mantle” sign ... ) #Clinical #Radiology ... #POCUS #Aorta # ... #ClockMantle #Sign
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow Fracture ... posterior) and bone cortex ... anterior sail sign ... can't make A-OK sign ... Elbow #Humerus #Radiology
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
at the exposed corners ... HandXray #Diagnosis #Radiology ... #Clinical #Pathophysiology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Differential Diagnosis Algorithm ... papilledema • Horner ... • Meningeal signs ... Systemic symptoms and signs ... Differential #Diagnosis #Algorithm
Ebstein Anomaly
 • Prevalence
 • Pathophysiology
 • Presentation
 • Physical Examination Findings
 • Initial Management
 •
Prevalence • Pathophysiology ... and Adults • Cone ... diagnosis #management #cardiology