29 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 ... • Limited to Kidney ... #differential #diagnosis ... #algorithm #rheumatology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... Emboli, Thrombosis, Vasculitis ... • GN: ANCA, Anti-GBM ... Med, Contrast, Pigment ... nephrology #causes #algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Hypersensitivity vasculitis ... lesions • Discoid lupus ... #differential #diagnosis ... #rheumatology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... Algorithm - Iron ... Anemia of chronic kidney ... #hematology #diagnosis ... #differential #workup
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... • Immunologic Workup ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... → Refer to hematology ... for workup, including ... , Vasculitides, ... #Algorithm #hematology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... Polymerase Ill • ANCA Vasculitis ... Autoantibodies #Rheumatology ... #diagnosis #associations
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
myalgia, serositis, Kidney ... • Immunologic Workup ... • Immunologic Workup ... #table #rheumatology ... #diagnosis #management
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anti-LKM (liver kidney ... disease c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... Associations #diseases #diagnosis ... #table #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... C4) • ds-DNA: Kidney ... • Kidney biopsy ... #Rheumatology