16 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... usually IgG) (e.g. lupus ... • Infections: Malaria ... #hematology #anemia
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... : • Liver disease ... Bartonella, Babesia, Malaria ... #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... - Hemolytic anemia ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... #differential #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... Manifestations: Malar ... Positive in 60-80% of cases ... Evolution: Chronic disease ... Management #Summary #rheumatology
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
FLAGS - In all cases ... and these should ... sweats, pallor, bruising ... Rheumatology ... Peds #Pediatrics #Diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
& NPSLE rare, Malar ... Discontinuation of causal ... Evolution: Chronic disease ... comparison #table #rheumatology ... #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Systemic lupus ... manifestations: from easy bruising ... with leukopenia, anemia ... Activation #Syndrome #Diagnosis ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Photosensitivity • Malar ... lymphopenia, low PLT • Anemia ... #Rheumatology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... or Easy Bruising ... SLE (systemic lupus ... Congenital heart disease ... pediatrics #diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Bleeding and Bruising ... - Differential Diagnosis ... of factor VII should ... discern these causes ... #Hematology