9 results
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
): GI cancers, Donations ... Bleeding, Edema, Celiac ... #differential # ... diagnosis #causes ... #nutrition
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Drugs, H pylori, Celiac ... : IBD, Chronic disease ... Deficiency #Causes #differential ... #diagnosis #anemia ... #nutrition
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Deficiency Anemia ... Mass lesions: Carcinoma ... or colon ulcer, Celiac ... #Causes #differential ... #diagnosis
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Anemia - Differential ... Diagnosis Algorithm ... • Blood loss: GI ... - Structural: Celiac ... disease, Tropical
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
• Vitamin B12 ... Trace Minerals: • Iron ... Bypass #vitamin #nutrition ... #table #differential ... #diagnosis #bariatric
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
skin pallor • GI ... related to IBD, celiac ... disease, other ... total body stores Evaluation ... #management #nutrition
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... have had prior evaluations ... Hepatocellular carcinoma ... mesenteric ischemia • GI ... poisoning • Celiac
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Myeloproliferative Disease ... Platelet Disorders • Nutritional ... : vitamin B12 or ... rings of excess iron ... blood count with differential
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
during clinical evaluations ... procedures • Iron ... of renal disease ... issues other than GI ... pathophysiology #differential