15 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: ... of hip (rare), Arthritis ... lesions Abdominal pain ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Juvenile Idiopathic Arthritis ... scleroderma), Rheumatoid Arthritis ... Juvenile Idiopathic Arthritis ... #patterns #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... Auto-Antibodies: - ANA ... Lupusreference #SLE ... autoantibodies #signs ... #differential #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Polyarteritis Nodosa (PAN ... ), ANCA associated ... (RA), Systemic lupus ... erythematosus (SLE ... Differential #Diagnosis #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Constitutional symptoms, Arthritis ... Erythematosus (SLE ... #sle #comparison ... #table #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... - Autoimmune Rheumatologic ... • SLE • Psoriatic ... Symmetrical: • RA • SLE ... Diagnosis #MSK #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... : • Joint pain ... antibodies • (-) ANA ... Erythematosus #Diagnosis #Rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... with temporal arteritis ... • +ANA, +Anti-Smith ... differential #diagnosis #comparison ... #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... tract: Abdominal pain ... and GN Anti-GBM ... Differential #Diagnosis #Rheumatology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
or Infarction and ... associated with rheumatologic ... presentation of systemic lupus ... Pericarditis #Symptoms #Signs ... #Presentation #comparison