14 results
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... - Hemolytic anemia ... : - ANA 95-100% ... Diagnosis and Lupus ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... assay (IFA) is the main ... should be interpreted ... #rheumatology #diagnosis ... #differential
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... associated with rheumatologic ... presentation of systemic lupus ... trapezius ridges or shoulders ... Pericarditis #Symptoms #Signs
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... • Infections: Malaria ... disease, Copper and ... Extravascular #Causes #differential ... #anemia
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... Arthritis: • Joint pain ... Photosensitivity • Malar ... lymphopenia, low PLT • Anemia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Sensitive Antibodies ... Donath-Landsteiner Antibodies ... younger pts) Differential ... chills, flank pain ... #hematology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... such as systemic lupus ... purpura: strong sign ... ) pattern: antibodies ... #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... axial (spine, shoulders ... noninflammatory Signs ... - Autoimmune Rheumatologic ... #Differential #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
joint • Systemic lupus ... antibodies, which ... RF test should ... the presence of anemia ... low back pain)
Polymyalgia Rheumatica (PMR) Diagnosis and Management Summary

WHAT?
 • Polymyalgia rheumatica (PMR) is a common systemic inflammatory
proximal muscle pain ... • Normocytic anemia ... anti-citrullinated peptide antibodies ... can help differentiate ... Diagnosis #Management #Rheumatology