2974 results
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 ... pulmonary involvement: Anti-GBM ... Disease (Goodpasture's
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis) Anti-basement ... membrane: Goodpasture ... ANCA antibody, Anti-GBM ... FINDINGS: • AAV or Goodpasture's ... cause pulmonary
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- SLE Anti-histone ... (AMA), Anti-sp100 ... - SLE Anti-SSA ... (Ro), Anti-SSB ( ... - Goodpasture's
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
sclerosis • Anti-Glomerular ... Basement Membrane: Goodpasture's ... Disease-specific testing: anti-ANCA ... ab, anti-GBM ab ... , ANA, C3, C4, anti-CCP
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Rheumatic/lmmune: Goodpastures ... Diagnosis #pulmonary #causes
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-dsDNA (in 70% ... of cases) 2 ... Anti-Sm (Smith) ... Anti-histone (in ... seen in 30—70% of cases
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... ANA (e.g., SLE), anti-phospholipid ... disease), HBsAg/anti-HBc ... patients if the cause ... Differential #Diagnosis #Causes
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Erythematosus • Goodpasture's ... Diagnosis #Algorithm #Causes
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... and atleast4 case ... #Pancreatitis #Causes
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... ) - Anti-ENA ... ) - Anti-histone ... Discontinuation of causal ... Positive in 60-80% of cases