31 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... Abnormal peripheral smear ... : • Autoimmune ... (AIHAs) • Alloimmune ... #Anemias #Differential
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... Hemolytic Anemia ... C3d • Blood smear ... : Differential → ... Warm #Antibody #Autoimmune
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... think of immune hemolysis ... would be autoimmune ... already listed) and alloimmune ... Intrinsic #Extrinsic #Differential
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 ... Microangiopathic hemolytic ... hematology #diagnosis #differential
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential ... Peripheral blood smear ... idiopathic, malignancy, autoimmune ... #Anemia #Differential
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... or negative - Smear ... C3 positive - Smear ... BrighamMedRes #AIHA #Autoimmune ... #Hemolytic #Anemia
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood Smear ... Microangiopathic hemolytic ... Microspherocytes: Autoimmune ... hemolytic anemia ... Peripheral #Blood #Smear
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Immune-mediated: - Autoimmune ... idiopathic) - Autoimmune ... Extravascular #Causes #differential
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... MatthewHoMD #Autoimmune ... #Hemolytic #Anemia ... #AIHA #Differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... - Differential ... and RES-mediated hemolysis ... Cold AIHA • Alloimmune ... Extravascular #Differential