42 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... • Extrinsic RBC ... • Intrinsic RBC ... #Anemias #Differential ... 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 ... environment #Pathophysiology ... #Hemolytic #Anemia ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... lymphoproliferative disorders ... • Intrinsic RBC ... Extravascular #Causes #differential ... #diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Intravascular Hemolysis ... - Differential ... elliptocytosis - RBC ... Extravascular #Differential ... Algorithm #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... membrane disorder ... #Anemia #Differential ... Algorithm #workup #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... ↑ LDH • Anti-RBC ... • Blood smear: Differential ... Anemia #diagnosis #management ... #treatment #rheumatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... Normocytic #Anemia #Differential ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Artifact (redo CBC ... • Rheumatic disorders ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... - Markers and Differential ... bcr-able (+) ↑ WBC ... #hematology #Markers ... #Differential #
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... Unstable hemoglobin disorders ... Cold autoimmune hemolytic ... #Morphology #differential ... #diagnosis #hematology