47 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential Diagnosis ... Abnormal peripheral smear ... : • Autoimmune ... (AIHAs) • Alloimmune ... #Differential #Diagnosis
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... 1) DIAGNOSE AIHA ... C3d • Blood smear ... Warm #Antibody #Autoimmune ... #diagnosis #management
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Laboratory Testing in Hemolytic ... Extravascular Hemolysis ... LDH Peripheral smear ... Testing #workup #diagnosis ... #hematology #hemolysis
Anemia - Hemolysis Diagnostic Algorithm
Autoimmune hemolytic anemia
Microangiopathic hemolytic anemia
Probable thalassemia

Dr. Eric Strong @DrEricStrong - Strong Medicine
Anemia - Hemolysis ... Diagnostic Algorithm ... Autoimmune hemolytic ... Microangiopathic hemolytic ... Algorithm #hematology #diagnosis
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... or negative - Smear ... C3 positive - Smear ... #Hemolytic #Anemia ... Pathophysiology #diagnosis
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 ... #Differential #Diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential Diagnosis ... Peripheral blood smear ... idiopathic, malignancy, autoimmune ... #Differential #Diagnosis
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Hemolytic Anemia ... Warm Autoimmune ... Hemolytic Anemia ... #hematology #diagnosis
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):
Diagnostic Framework ... for Hemolysis - ... Immune-mediated: - Autoimmune ... idiopathic) - Autoimmune ... #differential #diagnosis