454 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 ... abuse, Heavy metal poisoning ... interpretation #clinical #anemia
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
Severe hemolytic anemia ... Sideroblastic anemia ... , Hemolytic anemia ... Stippling: Lead poisoning
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Sideroblastic anemia ... , Lead poisoning ... Megaloblastic anemia ... , Pernicious anemia
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Thalassemia • Lead Poisoning ... • Anemia of Chronic ... Marrow Failure • Anemia ... Myelodysplasia #Anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach to Anemia ... deficiency • Lead poisoning ... Sideroblastic anemia ... ACD, Aplastic anemia ... MatthewHoMD #Anemia
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Carbon monoxide poisoning ... • chronic anæmia ... - Sickle cell anemia
Iron Deficiency Anemia - Differential Diagnosis Algorithm

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

 • Blood loss:
Iron Deficiency Anemia ... deficiency, Lead poisoning ... Iron #Deficiency #Anemia
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea: • Anemia ... • Salicylate poisoning ... Carbon monoxide poisoning
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... deficiency, lead poisoning ... ARUPLabs #Hemolytic #Anemia
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... Copper and lead poisoning ... diagnosis #hematology #anemia