13 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
polyangiitis, Microscopic ... testing: anti-ANCA ... ab, anti-GBM ab ... , ANA, C3, C4, anti-CCP ... differential #diagnosis #nephrology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Vasculitis: • Microscopic ... + 90% • Anti-GBM ... Jcortesizaguirr #ANA ... antibodies #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Henoch-SchonIein Purpura Anti-GBM ... Limited to Kidney: Anti-GBM ... involvement: Anti-GBM ... Disease (Goodpasture's
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... antibody, Anti-GBM ... usually low in anti-GBM ... Goodpasture's cause ... diagnosis #management #treatment
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Autoimmune diseases ... Adult-onset Still disease ... Treatment: • ... diagnosis #management #treatment ... #summary #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
): • Microscopic ... often causes arthritis ... glomerulonephritis) • Anti-GBM ... Dx: GPA, EGPA, microscopic ... differential #diagnosis #rheumatology
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
Diagnosis: • Anti-GBM ... kidney biopsy Treatment ... weeks By Tess Litchman ... AntiGBM #diagnosis #nephrology ... #pulmonary
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
- but 5% have anti—muscle-specific ... More likely to cause ... glucocorticoids - can cause ... Hospital of Baltimore IM ... diagnosis #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
)): Microscopic ... often causes arthritis ... GN Anti-GBM (10 ... disease, and ocular ... Differential #Diagnosis #Rheumatology
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