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

78 yo M with sudden onset
Central retinal ... artery occlusion ... Positive "spot sign ... " on Ocular Ultrasound ... POCUS #Ocular #Ultrasound
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
mutation) that alter ... yrs old; F>M Signs ... /Symptoms: - Fever ... palpation - Vasculitic ... #Symptoms #Vasculitis
Giant Cell (Temporal) Arteritis: Clinical findings and Complications
Signs/Symptoms: 
 - Headache (usually constant, superimposed by waves
Complications Signs ... /Symptoms: - ... palpation - Temporal artery ... Complications #Signs ... #Vasculitis
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... => Blockage of central ... => Central Retinal ... ophthalmology #diagnosis #signs ... #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... Superficial temporal artery ... gastrointestinal, and/or central ... Presentation - Systemic Symptoms ... purpura: strong sign
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Features Between Central ... #Cyanosis #Central ... #Peripheral #Comparison ... #Signs #Symptoms
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... inferior cerebellar artery ... varying neurologic signs ... #Peripheral #Central
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Superficial temporal artery ... disturbance • Temp. artery ... Angiitis of the Central ... • Progressive symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... Bone Fracture Central ... Imbalance, neurologic symptoms ... /signs, bidirectional ... • Basilar Artery
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... polymorphisms alter ... #HSP #IgA #Vasculitis ... Pathophysiology #Diagnosis #Signs ... #Symptoms