165 results
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Megaloblastic Anemia ... Microangiopathic hemolytic anemia ... Autoimmune hemolytic anemia ... cells: Sickle cell disease ... Bite cells: G6PD deficiency
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
anemia, Thalassemia ... Sideroblastic anemia ... Megaloblastic anemia ... Myelodysplastic syndrome ... Hemolytic uremic syndrome
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... • Aplastic Anemia ... • Anemia of Chronic ... Disease • Marrow ... Non-lmmune #Anemia
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... • Pernicious Anemia ... • Pernicious Anemia ... #Macrocytic #Anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia, Chronic ... disease anemia ... Sideroblastic anemia ... anemia Spherocyte ... Autoimmune hemolytic anemia
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... and severe iron deficiency ... anemia. ... BloodSmear #Blood #Smear
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... (AIHA) Pathophysiology ... or negative - Smear ... Autoimmune #Hemolytic #Anemia ... #Pathophysiology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... thalassemia • Anemia ... Normocytic" • Anemia ... Acute blood loss, Anemia ... Myelodysplastic syndrome
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Peripheral blood smear ... DAT (-) → G6PD Deficiency ... → Sickle Cell anemia ... Microangiopathic hemolytic anemia
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... 80 fL) • Iron Deficiency ... Poisoning • Anemia ... Marrow Failure • Anemia ... Myelodysplasia #Anemia