8 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
deficiency anemia ... : Vitamin B12 or ... deficiency anemia ... #diagnosis #hematology ... #microscopy #atlas
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Diagnosis Algorithm ... Deficiency • ... B12/Folate Deficiency ... Disease • Marrow
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... • Microcytic - Iron-deficiency ... , Thalassemia, Iron-deficiency ... #key #diagnosis ... #differential #
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
turnover • Iron ... deficiency • ... End-stage renal disease ... Increase #Decrease #Diagnosis ... #DM2 #Differential
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Diagnosis Framework ... inflammation) • Iron ... , B12 deficiency ... Non-megaloblastic: Liver disease
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... disorders • Celiac ... disease Tissue ... malignancy • Iron ... deficiency anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Iron ... loss), Vitamin B12 ... Chronic kidney disease ... #differential # ... diagnosis #calculation
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... related to IBD, celiac ... disease, other ... total body stores Evaluation ... • Labs: - CBC