14 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... glomerulonephritis and/or pulmonary ... tract, and often causes ... purpura: strong sign ... differential #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... With associated pulmonary ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Comparison Obstructive ... in blood flow caused ... Depends on the cause ... Pulmonary embolism ... advanced valvular disease
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
progressing GN • New pulmonary ... purpura: Strong sign ... MPO > PR3) • Pulmonary ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... WBC >100k, + lab signs ... Lysis Syndrome: • Pathophysiology ... diagnosis #management #hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... : 33% • Treatment ... , and CXR with pulmonary ... : No • Treatment ... #diagnosis #comparison
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... Arthritis, AS Treatment ... interferon alfa, or tumor ... diagnosis #management #signs ... #symptoms #rheumatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Diagnosis: • Vasculitis ... Lung #Abscess #pulmonary ... #differential #causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
blood vessels (vasculitis ... inflammation tends to cause ... interstitial lung disease ... /pulmonary fibrosis ... #signs #symptoms
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... : • 10%-15% Pulmonary ... , INC risk PE, Pulmonary ... Adenocarcinoma Treatment ... Sjogrens #Syndrome #Rheumatology