166 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm Low ... (>100 fL) • B12 ... #MCV #Classification ... #Differential #
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... • Dietary Deficiency ... - Low Serum B12 ... and Folate Deficiency ... #elevatedMCV #Differential
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... • B12/Folate ... Deficiency • Aplastic ... #Classification ... #Approach #Differential
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... anemia - Anemia ... disease - Vitamin B12 ... and/or folate deficiency ... hematology #diagnosis #differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Approach - MCV) Low ... Megaloblastic: Vitamin B12 ... deficiency, Folate ... deficiency • ... morphologic #mcv #differential
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
Vitamins and Vitamin Deficiency ... • Thiamine B1 ... gestation • Vitamin B12 ... #Vitamins #Deficiency ... #differential #
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin B12 ... Deficiency - Cobalamin ... Stomach: Pernicious anemia ... #Deficiency #Cobalamin ... #differential #
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... inflammation) • Iron deficiency ... Megaloblastic: Folate deficiency ... , B12 deficiency ... MCV #Algorithm #Differential
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
B12 Levels Low ... vitamin B12 intake ... Autoimmune - Pernicious anaemia ... #VitaminB12 #deficiency ... #differential #
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
and/or Folate Deficiency ... of people with low ... will be deficient ... many people with low ... deficiency.