12 results
Evaluation of Patients with Anemia

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

#Diagnosis #Anemia #Workup #Macrocytic #Microcytic #Normocytic
Patients with Anemia ... , Macrocytic, Hemolytic ... and Extravascular ... #Workup #Macrocytic ... #Differential #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... idiopathic) - Autoimmune ... • Intrinsic RBC ... #Hemolytic #Intravascular ... #Causes #differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Hemolysis - Differential ... Cold AIHA • Alloimmune ... elliptocytosis - RBC ... anemia • ... Differential #Diagnosis
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 ... key #diagnosis #differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
(sometimes) Macrocytic ... hemolytic anemia ... hemolytic anemia ... #Morphology #differential ... hematology #microscopy #atlas
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... : macrocytic > normocytic ... ↑ LDH • Anti-RBC ... • Blood smear: Differential ... #Hemolytic #Anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... , CKD • Hemolytic ... Spherocytosis, G6PD, PK, HbC ... - Extrinsic: Autoimmune ... Infections Macrocytic
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential ... RBCs, DAT (-) → ... idiopathic, malignancy, autoimmune ... #Anemia #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... elliptocytosis, autoimmune ... #Anemia #Differential ... Diagnosis #Algorithm #workup
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... anemia • Cold ... CLL (older) • Autoimmune ... younger pts) Differential ... causing intravascular