20 results
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
(e.g. ... Sickled red cells ... Bite cells: G6PD ... Smear #Analysis #hematology ... interpretation #clinical
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Liver disease, Etc ... valve induced, Etc ... Unstable hemoglobin disorders ... differential #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... lymphoproliferative disorders ... . sickle cell disease ... differential #diagnosis #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Mean corpuscular (cell ... (BM) ablative disorders ... of substrate (e.g ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
DIC is a clinical ... non-specific red cell ... polychromatophilic cells ... count, D-dimer, egg ... #Hematology #Pathology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... /µL Workup • Screen ... signs or symptoms (eg ... Differential #diagnosis #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... lymphoproliferative disorders ... • Neutropenia, anemia ... Leukemia #diagnosis #workup ... #oncology #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Increased Requirement (e.g ... • Small Bowel Disorder ... Macrocytosis, Target Cells ... Algorithm #Causes #Hematology
Consensus Indications for Irradiated RBC Transfusions:

Cellular blood components are irradiated for the prevention of TA-GVHD. Transfused
immunodeficiency disorders ... Immunodeficiency Disorder ... Hematopoietic stem cell ... HLA-selected products (e.g ... #Indications #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... function test, ANA (e.g ... changes), high MCV anemia ... Diagnosis #Causes #Workup ... #hematology