14 results
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... Auto-Antibodies: - ANA ... (aPL) 30-45% Differential ... Diagnosis and Lupus ... #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... 40, F:M 9:1 • Clinical ... Manifestations: Malar ... Erythematosus #Diagnosis ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... & NPSLE rare, Malar ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
joint aches • +ANA ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
should be interpreted ... likely it will be clinically ... , Drug-induced Lupus ... #patterns #rheumatology ... #diagnosis #differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... usually IgG) (e.g. lupus ... • Infections: Malaria ... Extravascular #Causes #differential ... #diagnosis #hematology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... presentation of systemic lupus ... trapezius ridges or shoulders ... #Presentation #comparison ... #Table #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Photosensitivity • Malar ... #Rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
prior signs or clinical ... surgeon had a clinical ... • This case should ... Differential diagnosis ... #msk #rheumatology
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Defects Bernard-Soulier ... vWF, factor V, and ... Platelet #Defects #comparison ... #table #differential ... #diagnosis #hematology