8 results
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Diagnosis Manifestations ... Arthritis 69% - Malar ... - Hemolytic anemia ... Differential Diagnosis ... #differential #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... manifestations: from easy bruising ... with leukopenia, anemia ... #Syndrome #Diagnosis ... #Rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Microangiopathic hemolytic anemia ... usually IgG) (e.g. lupus ... • Infections: Malaria ... #hematology #anemia
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Photosensitivity • Malar ... lymphopenia, low PLT • Anemia ... Chronic B-cell activation ... #Rheumatology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Bleeding and Bruising ... - Differential Diagnosis ... inhibitor and lupus ... of factor VII should ... #Hematology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Purpura or Easy Bruising ... SLE (systemic lupus ... - Bernard—Soulier ... Scurvy #Purpura #Bruising ... peds #pediatrics #diagnosis
Polymyalgia Rheumatica (PMR) Diagnosis and Management Summary

WHAT?
 • Polymyalgia rheumatica (PMR) is a common systemic inflammatory
tenosynovitis of the neck, shoulder ... motion in the shoulders ... describe difficulty rising ... • Normocytic anemia ... #Management #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... ANAs RF test should ... the presence of anemia ... #testing #Rheumatology