24 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... • Vitamin B12 ... #vitamin #nutrition ... #differential #diagnosis
Prevalence of Common Nutritional Deficiencies and Supplement Recommendations in Bariatric Patients 
Calcium, Vitamin B1 (thiamine), Vitamin
Prevalence of Common Nutritional ... Vitamin B12 (cobalamin ... Bariatric #Gastric #Bypass ... #Nutritional #Deficiencies ... #Diagnosis
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... Stomach: Pernicious anemia ... , Bypass/gastrectomy ... #differential #diagnosis ... #causes
Nutrient Deficiencies and Supplementation Post Gastric Bypass Surgery
Nutrient Deficiencies:
 • Most frequent in the malabsorptive surgeries
Supplementation Post Gastric Bypass ... folate, iron, B12 ... • Persistent nausea ... Supplementation #Gastric #Bypass ... #Vitamin
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Polyphenol / tannins, ↓ Vitamin ... C • ↓ Absorption ... #differential #diagnosis ... #anemia #nutrition
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
reticulocyte count, and a vitamin ... the most likely cause ... recovery also causes ... Measures of vitamin ... #Diagnosis #Macrocytosis
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential Diagnosis ... • Vitamin D deficiency ... - Intestinal bypass ... #Causes #endocrinology
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 ... Autoimmune - Pernicious anaemia ... #differential #diagnosis
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Megaloblastic: Vitamin ... B12 deficiency, ... #differential #diagnosis ... #causes #hematology
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... • Common Causes ... PA - impaired absorption ... @taleanski #Vitamin ... #management #nutrition