15 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Differential Diagnosis ... Donath-Landsteiner HA (paroxysmal ... #Anemia #AIHA #
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential ... → Sickle Cell anemia ... Recent travel/Fevers ... #Anemia #Differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... anemia): ... Transfusion reaction, Paroxysmal ... Extravascular #Causes #differential ... diagnosis #hematology #anemia
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... incompatibility • Paroxysmal ... udaygulati #Hemolytic ... #Anemia #Differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... anemia, Paroxysmal ... RBC #Morphology #differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... bartonella (oroya fever ... ARUPConsult @ARUPLabs #Hemolytic ... #Anemia #Differential
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... erythematosus • HLH • Paroxysmal ... Antibody-mediated hemolysis ... #Pancytopenia #Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemia • Cold ... younger pts) Differential ... macroglobulinemia Paroxysmal ... Symptoms: High fevers
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... anemia, PNH, immune ... - Pernicious anemia ... myocarditis, rheumatic fever ... Dehydrogenase #Elevated #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Differential Diagnosis ... schistosomiasis • Pyemia ... with profound hemolysis ... #Patterns #Differential