25 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... anemia, Chronic ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... 80 fL) • Iron Deficiency ... (e.g. ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... deficiencies: Iron deficiency ... , G6PD deficiency ... Production #Index #hematology ... #diagnosis #calculation
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... of chronic kidney ... disease, Acute blood ... #differential #diagnosis ... #causes #hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
- Differential Diagnosis ... (Eg Causes: Chronic ... Blood Loss, Occult ... HgbE, HgbC, etc. ... Algorithm #Causes #Hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Reactive: • Anemia ... /blood loss (Fe ... deficiency) • ... Myelofibrosis • Chronic ... causes #Platelets #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Algorithm Blood ... RBCs on Smear • Chronic ... • Anemia of Chronic ... Algorithm #Causes #Hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... • Secondary (e.g ... RA, SLE, PRV, Chronic ... • Early Iron Deficiency ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... malignancies • Anemia ... specifically: iron deficiency ... inflammatory disorders (e.g ... #Causes #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... Algorithm Normal Blood ... • Dietary Deficiency ... Increased Requirement (e.g ... Algorithm #Causes #Hematology