6 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... of anemia and hemolysis ... Anemias (AIHAs) ... Macroangiopathic, Microangiopathic
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... hemolytic anemia ... purpura (TTP), Hemolytic ... • Intrinsic RBC
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Intravascular Hemolysis ... hemolysis - Immune-Mediated ... Intravascular - Hemolysis ... immune-complex hemolytic ... malformations #Hemolysis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Schistocyte: Microangiopathic ... Hemolytic Anemia ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... #BloodCell #RBC
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Retroperitoneal, Uterine • Hemolysis ... : Autoimmune, Microangiopathic ... hemolytic anemia ... #differential #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... Diagnosis: • hemolytic ... • Compensated hemolysis ... intravascular hemolysis ... agglutinin #disease #hemolytic