39 results
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Nephropathy 16% - Oral ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... autoantibodies #signs #symptoms ... #differential #rheumatology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... Hepatic, Portal, ... Inflammatory • Systemic Lupus ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... - CRP: Usually normal ... Evolution: Chronic disease ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
- Differential Diagnosis ... Algorithm Relative - Normal ... Positive - Low/Normal ... Chronic Chest Symptoms ... Algorithm #Causes #Hematology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Effusions: - Hematologic ... - Synovium - Oral ... #differential #diagnosis ... #msk #physicalexam
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... , Drug-induced Lupus ... , Drug-Induced Lupus ... ANA #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... : • Symptoms limited ... Erythematosus #Diagnosis ... #Rheumatology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
also arise in normal ... disease: B symptoms ... Differential Diagnosis ... Lymphomas • Other hematologic ... #differential #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... CRP - Usually normal ... Evolution: Chronic disease ... comparison #table #rheumatology ... #diagnosis #management
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Idiopathic • Normal ... involvement: Anti-GBM Disease ... #differential #diagnosis ... #algorithm #rheumatology