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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 ... Anemia Intravascular ... Extravascular Hemolysis ... Carboxyhemoglobin #Hemolytic ... #Anemia #Laboratory
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
- Intravascular ... anemia): ... - Disseminated intravascular ... #Hemolytic #Intravascular ... diagnosis #hematology #anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Extravascular and Intravascular ... Hemolysis - Differential ... PK deficiency Intravascular ... anemia • ... #Intravascular
Evaluation of Patients with Anemia

Microcytic, Normocytic, Macrocytic, Hemolytic (Intravascular and Extravascular)

#Diagnosis #Anemia #Workup #Macrocytic #Microcytic #Normocytic
Patients with Anemia ... Normocytic, Macrocytic, Hemolytic ... (Intravascular ... #Diagnosis #Anemia
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic ... anemia. ... Microangiopathic hemolytic ... anemia is characterized ... as disseminated intravascular
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Sideroblastic anemia ... spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... , Disseminated intravascular
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Diagnosis for Hemolytic ... Anemia Intrinsic ... IVIG infusion Intravascular ... udaygulati #Hemolytic ... #Anemia #Differential
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
to be seen in hemolytic ... anemias, especially ... anemia in which ... include disseminated intravascular ... coagulation, hemolytic
Therefore, studies obtained at the initial presentation in the emergency department should evaluate for fibrinolysis with
to evaluate for anemia ... microangiopathic hemolytic ... anemia. ... #Disseminated #Intravascular
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hemorrhage and hemolysis ... result in severe anemia ... reflection of intravascular ... hemolysis Platelet ... anemia Indirect