15 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... artery occlusion ... (CRAO). ... Positive "spot sign ... " on Ocular Ultrasound
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Artery Occlusion ... Artery Occlusion ... supplying the macula ... ophthalmology #diagnosis #signs ... #symptoms
Central Retinal Artery Occlusion (CRAO) on Ocular POCUS

This patient is likely presented with painless vision loss.
Artery Occlusion ... (CRAO) on Ocular ... intra-arterial spot sign ... occlusion (CRAO) ... #Occlusion #CRAO
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior spinal artery ... vascular event ... mimics complete • Central ... pathophysiology #signs ... #symptoms #msk
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... Méniére's disease ... Vascular disorders ... Occlusion of posterior ... varying neurologic signs
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
• Meniere's Disease ... Bone Fracture Central ... /signs, bidirectional ... Glomus Tumors - Vascular ... • Basilar Artery
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to local skin injury ... and diplopia) • Vascular ... (SVC/IVC occlusion ... infarction, coronary artery ... diagnosis #management #signs
Rheumatoid Arthritis - Signs and Symptoms
 • Ocular: Keratoconjunctivitis sicca, Episcleritis, Scleritis, Scleromalacia perforans
 • Pulmonary:
Rheumatoid Arthritis - Signs ... and Symptoms • ... Rheumatoid nodules, Vascular ... Mononeuritis multiplex • Vascular ... Cardiac: Coronary artery
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Failure • Dyspnea Vascular ... Septic Emboli Cause Injury ... insult due to vascular ... occlusion that ... valvular disease
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
reactions, and vaso-occlusive ... purpura: Strong sign ... pulse deficits vascular ... Angiitis of the Central ... Skin lesions (red macules