19 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... dryness of the cornea ... pathophysiology #ophthalmology ... #diagnosis #signs
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... > Keratoconus Signs ... Ring • Munson's sign ... • Rizutti's Sign ... pathophysiology #ophthalmology
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 ... #ClockMantle #Sign
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... pathophysiology #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
red-brown coloured -> Copper ... pathophysiology #ophthalmology ... #diagnosis #signs
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
hypothalamus, and visual cortex ... meningeal irritation signs ... differential #diagnosis #ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
damage & blindness Signs ... obstruction • Corneal ... pathophysiology #ophthalmology
Pediatric Trauma Primary Survey: C-ABCDE
C - Catastrophic Bleeding - Life-threatening hemorrhage
 • Apply direct pressure/compression bandage
Apnea/poor effort, Signs ... Binder) • Use POCUS ... ↓ BP is a late sign ... Move sooner to PRBCs ... normalized vital signs
Retrobulbar Hematoma and Guitar Pick Sign on Ocular POCUS
Which of the following is NOT present in
and Guitar Pick Sign ... on Ocular POCUS ... hypoechoic guitar pick sign ... #Ocular #POCUS ... #Ophthalmology #
Vitreous Hemorrhage - J. Christian Fox @jchristianfox 
#Clinical #Ophthalmology #POCUS #Ocular #Vitreous #Hemorrhage #Blood #WashingMachine #Sign
jchristianfox #Clinical #Ophthalmology ... #POCUS #Ocular ... WashingMachine #Sign