68 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... of anemia and hemolysis ... Anemias (AIHAs) ... Anemias (AHAs) ... #Anemias #Differential
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Anemias (MAHA) ... • Early Iron ... #Normocytic #Anemia
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
, Menorrhagia, Blood ... hepcidin) • Others: Hemolysis ... Deficiency #Causes #differential ... #diagnosis #anemia ... #nutrition
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... • Microcytic - Iron-deficiency ... spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... key #diagnosis #differential
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... • Peripheral blood ... → Sickle Cell anemia ... anemia (TTP, HUS ... #Anemia #Differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
deficiency anemia ... Sideroblastic anemia ... Anemia, Mechanical ... anemia Stomatocyte ... RBC #Morphology #differential
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Anemia 1) DIAGNOSE ... AIHA • Anemia ... type ± C3d • Blood ... smear: Differential ... #Anemia #diagnosis
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
particular degree of anemia ... Index < 2: • Anemia ... deficiencies: Iron ... anemia, Intrinsic ... #differential #
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach to Anemia ... inflammation) • Iron ... Sideroblastic anemia ... ACD, Aplastic anemia ... MatthewHoMD #Anemia
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Anemia - Differential ... TSAT, sTfR • Blood ... extravascular) hemolysis ... #Deficiency #Anemia ... #Differential #