22 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microcytic RBC: ... (sometimes) Macrocytic ... #Morphology #differential ... #diagnosis #hematology ... #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology ... AtlasMicrocytic ... Lead poisoning • Macrocytic ... key #diagnosis #differential ... #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... 95 (or 100) is macrocytic ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic ... #Macrocytic
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Spherocytosis, G6PD, PK, HbC ... - Extrinsic: Autoimmune ... Infections Macrocytic ... #Diagnosis #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... : macrocytic > normocytic ... ↑ LDH • Anti-RBC ... • Blood smear: Differential ... #diagnosis #management
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Pseudo Pelger-Huet, Macrocytic ... anemia - ... bcr-able (+) ↑ WBC ... Amy Chung, MD, MSc ... Blood #Disorders #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... Defects: Sickle cell ... anemia, Thalassemias ... #Diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
- Differential ... DAT (-) → Sickle Cell ... & microcytic RBCs ... idiopathic, malignancy, autoimmune ... #Differential #
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... elliptocytosis, autoimmune ... Diagnosis #Algorithm #workup ... #hematology #testing
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) (e.g. lupus, CLL ... • Intrinsic RBC ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia