38 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Second most common cause ... disease (Most common cause ... retinopathy) #Clinical ... #Ophthalmology ... #Fundoscopy #Central
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... inhabitants 3rd leading ... Intermediate, Posterior ... Classification #Differential ... #Diagnosis #Ophthalmology
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
splits into the posterior ... Causes: - Carotid ... also important cause ... #Clinical #Ophthalmology ... #Fundoscopy #Central
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... Framework If Altered Mental ... SAH, tumor • Posterior ... no neurological cause ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
may be present Central ... with vascular causes ... positional episodes caused ... Hallpike test (posterior ... Vertigo #Algorithm #differential
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vertigo due to Posterior ... Artery occlusion) Clinical ... Findings: • Nausea ... Palatal myoclonus - Central ... #Wallenbergs #neurology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... thrombosis of short posterior ... altitudinal defect • Fundoscopy ... Clinical manifestations ... #Rheumatology #Ophthalmology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... CENTRAL VERTIGO ... Occlusion of posterior ... #differential #
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Reversible course Differential ... the underlying cause ... with AEDs until cause ... diagnosis #management #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... the lesion Posterior ... dysfunction Central ... syndromes #lesions #differential ... #diagnosis #neurology