20 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Anemias (AIHAs) ... • Extrinsic RBC ... • Intrinsic RBC ... Diagnosis #Algorithm #hematology
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
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Pathophysiology of Hemolytic ... Anemia - Defects ... in RBC internal ... - Defects in RBC ... #Anemia #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... ) Morphology Microcytic ... RBC: Pyridoxine ... #Morphology #differential ... #diagnosis #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Reticulocytosis • Primary ... Bleed • Hemolysis ... Polychromatic Macrocytes, RBC ... Spherocytes, RBC ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... ) Morphology Atlas ... spherocytosis, Hemolytic ... coagulopathy (DIC) #RBC ... #differential #hematology
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
Common RBC Inclusions ... Asplenism, Severe hemolytic ... , Hemolytic anemia ... Sickle cell, MDS #RBC ... Bodies #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... usually IgM) (e.g. primary ... • Intrinsic RBC ... differential #diagnosis #hematology ... #anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... other reproducible morphologic ... hypertension • Unusual RBC ... acanthocytes - Consider RBC ... Algorithm #workup #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Intravascular Hemolysis ... and RES-mediated hemolysis ... elliptocytosis - RBC ... anemia • ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... RBC defects (e.g ... Production #Index #hematology