7 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... usually IgG) (e.g. lupus ... • Infections: Malaria ... Extravascular #Causes #differential ... #anemia
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... Lymphadenopathies 7% - Hemolytic ... anemia 4% - Myositis ... SLE-Related Auto-Antibodies ... #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Sensitive Antibodies ... anemia • Cold ... younger pts) Differential ... chills, flank pain ... #anemia #hematology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... assay (IFA) is the main ... healthy adults, and should ... ANA #patterns #rheumatology ... #diagnosis #differential
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
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 ... normal and can help differentiate ... Diagnosis #Management #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
joint • Systemic lupus ... double-stranded DNA antibodies ... ANAs RF test should ... the presence of anemia ... , and low back pain