17 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... differential #diagnosis #neurology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
angiitis of the central ... granulomatosis - microscopic ... Churg-Strauss syndrome ... - Schnitzler syndrome ... - Sjögren syndrome
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
• Pulmonary Vasculitis ... Malignancy Pulmonary Vasculitis ... Goodpasture's Syndrome ... polyangiitis / microscopic ... polyangiitis Vascular
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... IgA-associated vasculitis ... differential #diagnosis #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... pain + gross or microscopic ... hematuria • Signs ... Diagnostic of GN or vasculitis ... - Can cause microscopic
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
of Dizziness - Vertigo ... Bone Fracture Central ... neurologic symptoms/signs ... Glomus Tumors - Vascular ... #Neurology #Differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
CENTRAL VERTIGO ... Vascular disorders ... (Wallenberg's syndrome ... Syndrome usually ... varying neurologic signs
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... labyrinthitis) CENTRAL ... or minutes with vascular ... #findings #signs ... symptoms #comparison #neurology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... gastrointestinal, and/or central ... • Cogan Syndrome ... purpura: strong sign ... Dx: GPA, EGPA, microscopic
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Vascular Sludging ... Hyperviscosity Syndrome ... Cryoglobulinemia Syndrome ... 20% Sjögren's syndrome ... - GPA, EGPA, microscopic