11 results
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... AI gastritis, Bariatric ... Bleeding, Edema, Celiac ... #Deficiency #differential ... #nutrition
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
B12 Deficiency ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma ... Pernicious anemia, Bypass ... #differential #
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... Inflammation: IBD ... #Deficiency #Causes ... #differential #
Nutrient Deficiencies and Supplementation Post Gastric Bypass Surgery
Nutrient Deficiencies:
 • Most frequent in the malabsorptive surgeries
Vit D, folate, iron ... , B12 and zinc ... • Persistent nausea ... Phos, Ca+, Bl, B12 ... #Surgery #bariatric
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Deficiency - Differential ... Crohn's disease, Celiac ... sprue, post-bariatric ... supplementation) or iron
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... cancer, ulcer, IBD ... of absorption): Celiac ... disease, Bypass ... #Deficiency #Differential
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
disease • Iron-deficiency ... without discernable cause ... microscopic colitis Differential ... Inflammatory (IBD ... Diagnosis #Algorithm #gastroenterology
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
anemia • Vitamin B12 ... Trace Minerals: • Iron ... #vitamin #nutrition ... #table #differential ... #diagnosis #bariatric
Complications after Bariatric Surgery
Post Bariatric Intestinal Failure:
 • Severe protein malnutrition after bariatric surgery
 • More
(N/V bloating, abd ... pain) and vasomotor ... causes increased ... #gastroenterology ... #diagnosis #differential
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... related to IBD, ... celiac disease, ... conditions, surgeries (bariatric ... diagnosis #management #nutrition