9 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Purpura Anti-GBM antibodies ... #Vasculitis #differential ... diagnosis #algorithm #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
, Drug-induced Lupus ... Kumfer @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... - Differential ... INTRINSINC RENAL Glomerulonephritides ... (GN) • Primary ... , Lupus Acute Tubular
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
) - Differential ... Rapidly Progressive Glomerulonephritis ... • Anti-GBM antibodies ... IgA, post-strep, lupus ... legionella) • Immune (lupus
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... Kumfer @AnnKumfer #Antinuclear ... #patterns #rheumatology ... #diagnosis #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Autoimmune Vasculitis (lupus ... Measurement of antinuclear ... cytoplasmic antibodies ... #dermatology #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... inflammation Others: • Lupus ... such as systemic lupus ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
renal failure (glomerulonephritis ... EGPA) • Renal: (AKI ... EGPA) • Auto-antibodies ... in crescentic GN ... Renal #Syndromes #differential
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
ab • RF • Antinuclear ... antibodies ≥ 1: ... acidosis • NAGMA • Glomerulonephritis ... Membranoproliferative GN ... Sjogrens #Syndrome #Rheumatology