1958 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
• Dietary Deficiency ... • Pancreatic Disease ... B12 and Folate Deficiency ... • Liver Disease ... Macrocytic #Anemia #Macrocytosis
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
If persistent macrocytosis ... restricted diet/deficiency ... fatigue despite disease
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... to IBD, celiac disease ... hypersegmented neutrophils, macrocytosis ... B12 #Cobalamin #Deficiency
Workup for Vitamin B12 and Folate Deficiency

#Workup #VitaminB12 #Folate #Deficiency #FolicAcid #Diagnosis #Macrocytosis #MacrocyticAnemia #Algorithm
B12 and Folate Deficiency ... VitaminB12 #Folate #Deficiency ... FolicAcid #Diagnosis #Macrocytosis
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
patients with macrocytosis ... if vitamin B12 deficiency ... occur with B12 deficiency ... #Diagnosis #Macrocytosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC: Pyridoxine deficiency ... Thalassemia, Iron deficiency ... B12 or Folate deficiency ... Cell RBC: G6PD deficiency ... elliptocytosis, Severe iron deficiency
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Consider sickle cell disease ... ' nucleotidase deficiency ... , Hexokinase deficiency ... Cold agglutinins disease ... , Hemoglobin H disease
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
reaction - Atopic disease ... lymphomas, Hodgkin disease ... , IgG4-related disease ... inflammatory bowel diseases ... malignancy - Immune deficiency
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Malabsorption: • Lactase Deficiency ... Fibrosis • Celiac Disease ... Primary Immuno-Deficiency ... Dissacharidase Deficiency ... Inflammatory Bowel Disease
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
80 fL) • Iron Deficiency ... Anemia of Chronic Disease ... Renal Disease, Liver ... 100 fL) • B12 Deficiency ... • Folate Deficiency