10 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... Deficiencies #Gastric #Bypass ... #vitamin #nutrition ... #table #differential
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... increased bone Ca2+ resorption ... increased GI Ca2+ absorption ... alkali syndrome • Vitamin ... #Causes #differential
Prevention and Treatment of Nutritional Complications after Bariatric Surgery
Types of Bariatric Surgery:
 • Adjustable Gastric Banding
and Treatment of Nutritional ... Roux-en-Y Gastric Bypass ... anastomosis) Gastric Bypass ... Liver Disease • Vitamin ... Surgery #Diagnosis #Differential
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... Pernicious anemia, Bypass ... BrighamChiefs #Vitamin ... Deficiency #Cobalamin #differential ... #diagnosis #causes
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Differential Diagnosis ... Cholecalciferol - Excess Vitamin ... #Differential # ... Diagnosis #Algorithm #causes
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... Decreased calcium absorption ... • Vitamin D deficiency ... - Intestinal bypass
Nutrient Deficiencies and Supplementation Post Gastric Bypass Surgery
Nutrient Deficiencies:
 • Most frequent in the malabsorptive surgeries
Supplementation Post Gastric Bypass ... • Persistent nausea ... Supplementation #Gastric #Bypass ... gastroenterology #nutrition ... #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
Complications after Bariatric Surgery
Post Bariatric Intestinal Failure:
 • Severe protein malnutrition after bariatric surgery
 • More
common after distal bypass ... hyperglycemia and vitamin ... causes increased ... free • ↑ oxalate absorption ... gastroenterology #diagnosis #differential
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Manifestations Causes ... TPN - Gastric bypass ... surgery • Poor absorption ... Malnutrition - Gastric bypass ... syndromes #beriberi #nutrition