27 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... : • Autoimmune ... Hemolytic Anemias ... #hematology
Anemia - Hemolysis Diagnostic Algorithm
Autoimmune hemolytic anemia
Microangiopathic hemolytic anemia
Probable thalassemia

Dr. Eric Strong @DrEricStrong - Strong Medicine
Anemia - Hemolysis ... Autoimmune hemolytic ... Microangiopathic hemolytic ... Anemia #Algorithm #hematology ... #diagnosis #differential
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Autoimmune Hemolytic ... #Autoimmune #Hemolytic ... #Anemia #hematology ... #diagnosis #comparison
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Diagnosis Table ... #Hemolytic #Anemia ... #Diagnosis #Table ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - ... Intravascular Hemolysis ... Microangiopathic hemolytic ... purpura (TTP), Hemolytic ... #diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... Intravascular - Hemolysis ... immune-complex hemolytic ... #Causes #Hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... Hemolysis DAT ... Negative Hemolysis ... #Hemolysis #hematology ... #diagnosis
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Smear: spherocytes Cold ... #Hemolytic #Anemia ... Pathophysiology #diagnosis ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Agglutination - Cold ... hemolysis) ARUPConsult ... @ARUPLabs #Hemolytic ... #workup #hematology
Cold Agglutinin Disease

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