13 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 ... Post-splenectomy, Etc ... Liver disease, Etc ... valve induced, Etc ... differential #diagnosis #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Differential Diagnosis Algorithm ... • Secondary (e.g ... RBCs - Sickle Cells ... , Target Cells ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Toxic Damage (e.g ... Displacement (e.g ... Foreign Surface (e.g ... #Causes #Hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... corpuscular (cell ... Red cell distribution ... of substrate (e.g ... #Workup #Hematology
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
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Differential Diagnosis Algorithm ... Iron Deficiency (Eg ... Other • e.g ... HgbE, HgbC, etc. ... #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Differential Diagnosis Algorithm ... Increased Requirement (e.g ... Macrocytosis, Target Cells ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... evaluation or workup ... /µL Workup • Screen ... signs or symptoms (eg ... Differential #diagnosis #hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... systemic complaints- anemia ... them, but urgent rheumatology