13 results
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... isosorbide) #Central ... #CRAO #Diagnosis ... #Clinical #Fundoscopy
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Central Retinal ... Artery Occlusion ... posterior ciliary and central ... Ophthalmology #Fundoscopy ... #Central #Retinal
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a central ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... CVA #Peripheral #Central
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... => Blockage of central ... retinal artery => Central ... -> Cherry-red spot ... retinal edema caused
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
Causes of Apparent ... - Differential Diagnosis ... Disturbances Neurologic ... Disorders • Central ... • Incarcerated Hernia
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Cerebellar Artery occlusion ... Clinical Findings: • Nausea ... Palatal myoclonus - Central ... #Wallenbergs #neurology ... #diagnosis
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
and Central Vertigo ... CENTRAL VERTIGO ... Occlusion of posterior ... #Peripheral #Central ... #differential #diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... with vascular causes ... positional episodes caused ... #differential #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
catheter • Recent dental ... nodes • Roth’s spots ... Septic Emboli Cause ... due to vascular occlusion ... Treat underlying cause
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
reactions, and vaso-occlusive ... affects the skin, neurologic ... Angiitis of the Central ... tract, and often causes ... gastrointestinal, and/or central