7 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... (>100 fL) • B12 ... Deficiency • ... Hypothyroidism • Myelodysplasia ... Diagnosis #Algorithm #Causes
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
kidney disease, ... Megaloblastic: Vitamin B12 ... Alcohol use, Liver disease ... Hypothyroidism, Myelodysplastic ... differential #diagnosis #causes
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... vitamin B12 intake ... , coeliac disease ... #VitaminB12 #deficiency
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... inflammation or chronic ... tests Test for celiac ... disease with serology ... #workup #diagnosis
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... - Workup Osmotic ... certain foods or meds ... disease Inflammatory ... differential #testing #evaluation
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Marrow Failure • Chronic ... Myeloproliferative Disease ... Nutritional: vitamin B12 ... Workup: • Complete
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... related to IBD, celiac ... disease, other ... total body stores Evaluation