14 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Polychromatic Macrocytes ... Bleed • Hemolysis ... Polychromatic Macrocytes ... #Hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... : macrocytic > normocytic ... ↑ LDH • Anti-RBC ... 2) LOOK FOR a cause ... #Hemolytic #Anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
(sometimes) Macrocytic ... hemolytic anemia ... hemolytic anemia ... differential #diagnosis #hematology ... #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... ) Morphology Atlas ... Lead poisoning • Macrocytic ... spherocytosis, Hemolytic ... #differential #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... for degree of anemia ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
, CKD • Hemolytic ... Spherocytosis, G6PD, PK, HbC ... - Extrinsic: Autoimmune ... Infections Macrocytic ... Differential #Diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Hypochromic & microcytic ... RBCs, DAT (-) → ... idiopathic, malignancy, autoimmune ... Diagnosis #Algorithm #causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... • Intrinsic RBC ... differential #diagnosis #hematology ... #anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Cold AIHA • Alloimmune ... elliptocytosis - RBC ... anemia • ... #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... elliptocytosis, autoimmune ... #Anemia #Differential ... Diagnosis #Algorithm #workup ... #hematology #testing