17 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Inflammatory Arthritis - Differential ... Diagnosis • Seronegative ... Disease: Systemic Lupus ... Erythematous, Systemic Vasculitis ... #Diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... ANCA associated vasculitis ... (RA), Systemic lupus ... #Diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Butterfly rash, Vasculitis ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
(aPL) 30-45% Differential ... Diagnosis and Lupus ... autoantibodies #signs ... symptoms #mimickers #differential ... #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... such as systemic lupus ... purpura: strong sign ... differential #diagnosis ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... #Rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... mass and NO prior signs ... - **MSK rads ... Differential diagnosis ... #msk #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... Diagnosis #Rheumatology