79 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... : • Autoimmune ... Hemolytic Anemias ... (AIHAs) • Alloimmune ... Hemolytic Anemias
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Hemolytic Anemia ... Hemolytic Anemia ... Hemolytic Anemia ... #Hemolytic #Anemia ... hematology #diagnosis #comparison
Anemia - Hemolysis Diagnostic Algorithm
Autoimmune hemolytic anemia
Microangiopathic hemolytic anemia
Probable thalassemia

Dr. Eric Strong @DrEricStrong - Strong Medicine
Anemia - Hemolysis ... Diagnostic Algorithm Autoimmune ... hemolytic anemia ... anemia Probable ... #Anemia #Algorithm
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... Hemolytic Anemia ... 2) LOOK FOR a cause ... Warm #Antibody #Autoimmune ... #Hemolytic #Anemia
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
and Extrinsic Causes ... would be autoimmune ... (most of the causes ... already listed) and alloimmune ... Differential #Diagnosis #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... idiopathic) - Autoimmune ... Extravascular #Causes ... diagnosis #hematology #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... → Sickle Cell anemia ... idiopathic, malignancy, autoimmune ... anemia (TTP, HUS ... Diagnosis #Algorithm #causes
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... breakdown • Anaemia ... #Hemolytic #Anemia ... #Differential #Causes
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Intravascular Hemolysis ... Cold AIHA • Alloimmune ... anemia • ... Diagnosis #Algorithm #Causes
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... MatthewHoMD #Autoimmune ... #Hemolytic #Anemia