14 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (<80 fL) • Iron ... (>100 fL) • B12 ... Folate Deficiency ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Microcytic" • Iron ... Megaloblastic: Vitamin B12 ... deficiency, Folate ... differential #diagnosis #causes ... #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Reticulocytes, MCV ... Iron, Ferritin, ... B12/Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
inflammation) • Iron ... deficiency • ... Megaloblastic: Folate ... deficiency, B12 ... Differential #Diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Corpuscular Volume (MCV ... • Dietary Deficiency ... and Folate Deficiency ... #Hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Toxins • Aplastic Anemia ... Myelodysplasia Nutritional ... deficiency: • ... B12/folate/combined ... #Hematology
Nutrient Deficiencies and Supplementation Post Gastric Bypass Surgery
Nutrient Deficiencies:
 • Most frequent in the malabsorptive surgeries
, iron, B12 and ... • Persistent nausea ... years • Pervasive neurologic ... Phos, Ca+, Bl, B12 ... , Vit D, Folate,
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
inflammation • Nutrient ... deficiencies: Iron ... loss), Vitamin B12 ... , Folate • Hormone ... , G6PD deficiency
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
cardiomyopathy) • Folate ... • Vitamin B12 ... Trace Minerals: • Iron ... uw_IMresidency #nutrient ... Bypass #vitamin #nutrition
FAT RBC Mnemonic for Causes of Macrocytic Anemia
(MCV > 100)

F - Folate (Fetus) and B12 Deficiency
RBC Mnemonic for Causes ... (MCV > 100) ... F - Folate (Fetus ... ) and B12 Deficiency ... FATRBC #Mnemonic #Causes