17 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Stage 3: Severe/exudative ... disc edema. -> Papilledema ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
- Differential Diagnosis ... s phenomenon) Papilledema ... nerve perfusion ... Ocular causes - ... #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... - Pallor, Papilledema ... Cup:Disc: • Glaucoma ... #Algorithm #Causes ... #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... / Symptoms / Complications ... • Secondary glaucoma ... pathophysiology #ophthalmology ... #diagnosis #signs
Papilledema on Ocular POCUS

Eye, linear probe, optic nerve (ON) elevation >0.6 mm into globe (crescent sign)
POCUS Eye, linear ... probe, optic nerve ... globe (crescent sign ... #Ocular #POCUS ... clinical #ultrasound #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... funduscopy or papilledema ... pupil with third nerve ... #headache #signs ... #differential #diagnosis
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... leads to optic nerve ... damage & blindness Signs ... / Symptoms / Complications ... pathophysiology #ophthalmology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... lumbar spine Signs ... / Symptoms / Complications ... damage to sacral nerves ... #symptoms #signs
Papilledema on Ocular POCUS

This 27yo female presents with an intractable headache. Which of the following do
POCUS This 27yo ... Diagnosed with Idiopathic ... ultrasound demonstrated signs ... #POCUS #IIH #clinical ... #ultrasound #Ophthalmology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... dependent position, papilledema ... angle closure glaucoma ... thrombophilia, neurologic signs ... postpartum #Diagnosis