17 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 ... retinal edema caused ... #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 Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... Bone Fracture Central ... /signs, bidirectional ... Glomus Tumors - Vascular ... • Basilar Artery
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... Vascular disorders ... Occlusion of posterior ... varying neurologic signs
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
trauma • Chemical injury ... detachment • Central ... retinal artery ... occlusionCentral ... Unilateral or bilateral symptoms
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Ophthalmic Artery ... narrowing and vascular ... Hard Exudates • Occlusion ... ophthalmology #diagnosis #signs ... #symptoms #complications
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 ... disease (SVC/IVC occlusion ... infarction, coronary artery ... diagnosis #management #signs
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
catheter • Recent dental ... Failure • Dyspnea Vascular ... Injury By: • Early ... insult due to vascular ... occlusion that