14 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
vasoconstrictive • Acute ... Stage 3: Severe/exudative ... disc edema. -> Papilledema ... pathophysiology #ophthalmology ... #diagnosis #signs
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Associated with chronic ... s phenomenon) Papilledema ... nerve perfusion ... Ocular causes - ... Differential #Diagnosis #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... - Pallor, Papilledema ... Cup:Disc: • Glaucoma ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Differential Diagnosis Chronic ... inflammation - Optic Nerve ... pituitary tumor) Acute ... Differential #Diagnosis #causes ... #ophthalmology
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 ... closure glaucoma ... funduscopy or papilledema ... pupil with third nerve ... #headache #signs
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Acute Closed Angle ... • Significant cause ... leads to optic nerve ... damage & blindness Signs ... pathophysiology #ophthalmology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... Definition: acute ... disorder of the optic nerve ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... dependent position, papilledema ... or at work) - acute ... angle closure glaucoma ... thrombophilia, neurologic signs
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
without aura - Chronic ... meningeal irritation signs ... headache: - Acute ... angle-closure glaucoma ... the trigeminal nerve