17 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Vasculitis: • Microscopic ... polyangiitis without renal ... + 90% • Anti-GBM ... antibodies #diagnosis #rheumatology
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
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
dipstick, urine microscopy ... , ANA, Anti-GBM, ... Anti-ds-DNA, C3 ... Differential #Diagnosis #nephrology ... #causes
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
polyangiitis (GPA), microscopic ... polyangiitis without renal ... 90%, rarely PR3 Anti-GBM ... disease - MPO>PR3 ... PR3 #Diagnosis #Rheumatology
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
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
vasculitis - Diagnosis, causes ... with purpura - Renal ... neuropathy Treatment ... with refractory disease ... Cryoglobulinemia #Vasculitis #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Autoimmune diseases ... Adult-onset Still disease ... Drugs, Unknown cause ... Treatment: • ... #summary #rheumatology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
dysmorphic RBC, RBC casts ... (Dense deposit disease ... microangiopathy (TMA), anti-phospholipid ... Glomerulonephritis #MPGN #nephrology ... #diagnosis #renal
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
renal abnormalities ... often causes arthritis ... glomerulonephritis) • Anti-GBM ... LFT • ESR • ANA ... differential #diagnosis #rheumatology
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