12 results
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 ... #rheumatology
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
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Differential Diagnosis Algorithm ... Erythropoietin Secreting Tumor ... Cyanosis without Pulmonary ... #Causes #Hematology
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
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
: • 10%-15% Pulmonary ... , INC risk PE, Pulmonary ... ) • Cutaneous vasculitis ... Adenocarcinoma Treatment ... Sjogrens #Syndrome #Rheumatology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... • Bilateral signs ... Enhancement - TM and tumor ... - Sjogren - Vasculitis ... Transverse Myelitis Treatment