11 results
diagnosis differential headache secondary acute algorithm anteriorischemicopticneuropathy cellulitis chronic clinical closedangle clues complications gca giantcellarteritis hypertensive labeled mastoiditis neurology ocular
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA) 1) Is visual loss caused
optic neuropathy (AION ... loss caused by AION ... disorder of the optic nerve ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... • Secondary glaucoma ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
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 ... #ophthalmology ... #diagnosis #signs ... #symptoms #complications
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
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 Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
lights are a key symptom ... leads to optic nerve ... damage & blindness Signs ... #pathophysiology ... #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 ... #symptoms #clues
Orbital Cellulitis: Pathogenesis and Clinical Findings Definitions: a. Chemosis: Edema of the bulbar conjunctiva b. Panopthalmitis: inflammation of all
- Impinges on nerves ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms
Photophobia and Headache - Differential Diagnosis Framework Why? • The coexistence of photophobia and headache suggests the potential
- Autonomic symptoms ... meningeal irritation signs ... angle-closure glaucoma ... the trigeminal nerve ... differential #diagnosis #ophthalmology
Secondary Glaucoma: Pathogenesis and Clinical Findings Open-Angle Secondary Glaucoma: • Pre-trabecular defect -> Aqueous outflow is obstructed
-> Calcium ion ... damage to optic nerve ... growth factors, oxidative ... #pathophysiology ... #ophthalmology
Mastoiditis: Pathogenesis and clinical findings Acute or Chronic Otitis Media -> Stage 1: Hyperemeia of the mastoid
Transudation or exudation ... bone): facial nerve ... #Mastoiditis #pathophysiology ... #signs #symptoms
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