28 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Polymyositis and dermatomyositis ... polyangiitis without renal ... + 30-60% • Renal-limited ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... - C-ANCA pattern ... polyangiitis without renal ... polyangiitis - MPO>PR3 Renal-limited ... #Diagnosis #Rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Polymyositis / Dermatomyositis ... Graves' disease c-ANCA ... granulomatosis p-ANCA ... Associations #diseases #diagnosis ... #table #rheumatology
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Systemic Findings in Dermatomyositis ... - Heliotrope sign ... or shawl sign ... #Dermatomyositis ... #Diagnosis #Rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... , Polymyositis/Dermatomyositis ... Antinuclear #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... clinical context and signs ... Glomerulonephritis / Vasculits: ANCA ... , ANA, Anti-GBM, ... #Differential #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... pulmonary and renal ... purpura: strong sign ... • Urinalysis (Renal ... #rheumatology #
Systemic Sclerosis (Scleroderma)
Limited - CREST:
 • Calcinosis
 • Raynaud phenomenon
 • Esophageal dysmotility
 • Sclerodactyly
 •
• Scleroderma renal ... #Scleroderma #diagnosis ... #signs #symptoms ... #rheumatology
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
SHARP - Lupus Diagnosis ... Antinuclear Antibody (ANA ... Arthritis R Renal ... erythematosus #rheumatology ... #diagnosis #mnemonic
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... /full triad at diagnosis ... #rheumatology