35 results
Anemia - Hemolysis Diagnostic Algorithm
Autoimmune hemolytic anemia
Microangiopathic hemolytic anemia
Probable thalassemia

Dr. Eric Strong @DrEricStrong - Strong Medicine
Anemia - Hemolysis ... hemolytic anemia ... Microangiopathic hemolytic ... Anemia #Algorithm #hematology ... #differential #workup
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
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... purpura (TTP), Hemolytic ... differential #diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Differential Diagnosis Table ... Cold Agglutinin Disease ... #Hemolytic #Anemia ... #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... reticulocytes • Hemolysis ... type ± C3d • Blood ... #Hemolytic #Anemia ... diagnosis #management #treatment
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic ... > 10, no more hemolysis ... esp if severe disease ... #Hemolytic #Anemia ... #management #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... elliptocytosis, autoimmune ... hemolysis) ARUPConsult ... @ARUPLabs #Hemolytic ... #hematology #testing
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Microangiopathic hemolytic ... Microspherocytes: Autoimmune ... hemolytic anemia ... cells: Sickle cell disease ... Smear #Analysis #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... Hemolysis DAT ... Negative Hemolysis ... Cold agglutinin disease ... #Hemolysis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Macrocytic RBC: Vitamin B12 ... Microangiopathic Hemolytic ... hemolytic anemia ... hemolytic anemia ... differential #diagnosis #hematology