14 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
systemic lupus erythematosus ... Presentation - Systemic Symptoms ... purpura: strong sign ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... Induced Lupus: • Symptoms ... #Diagnosis #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... context of other symptoms ... Systemic lupus erythematosus ... Thyroid, Autoimmune ... #patterns #rheumatology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
an underlying autoimmune ... diagnosis and treatment ... Systemic lupus erythematosus ... spectrum disorder • ANCA-associated ... vasculitides
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... constitutional symptoms ... • Treatment: ... Systemic Lupus Erythematosus ... comparison #table #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Butterfly rash, Vasculitis ... #systemic #erythematosus ... #signs #symptoms ... #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Auto-Antibodies: - ANA ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% SLE ... DDX: • ANCA (Antineutrophil ... systemic lupus erythematosus ... (SLE), rheumatoid ... classification #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... Can also see mechanics ... after 2 years of treatment ... Myositis #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... ischemia • Skin: Erythematous ... • Progressive symptoms ... Differential #Diagnosis #Rheumatology