9 results
Nutrient Deficiencies and Supplementation Post Gastric Bypass Surgery
Nutrient Deficiencies:
 • Most frequent in the malabsorptive surgeries
nausea, vomiting, diarrhea ... behaviors and alcohol Nutritional ... Bone densitometry testing ... Bypass #Surgery #bariatric ... gastroenterology #nutrition
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Copper Deficiency - Differential ... Celiac sprue, post-bariatric ... gastrectomy, prolonged diarrhea ... Parenteral or enteral nutrition ... #Diagnosis #nutrition
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Ova and Parasite ... negative and diarrhea ... malabsorption #Diarrhea ... Transplant #diagnosis #differential
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
immune function, diarrhea ... Bypass #vitamin #nutrition ... #table #differential ... #diagnosis #bariatric
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... type 4) - Salt wasting ... #Hypokalemia #Differential ... Low #Potassium #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Familial renal Mg wasting ... Hypomagnesemia #Differential ... Low #Magnesium #Table
Diets and Inflammatory Bowel Disease (IBD)
Diet affects IBD by 3 mechanisms
1. Microbiome ( ↓ diversity)
2. Mucosal
Key Points • Nutrition ... to be balanced, nutritious ... Table summarizes ... pain, wind and diarrhea ... #comparison #table
Enteral Feed Formula Selection Guide

A basic guide on how to choose which enteral feed formulations and
load can cause diarrhea ... #Formulations #Comparison ... #Table #Pharmacology ... #Nutrition
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Total parenteral nutrition ... Gastrointestinal loss (diarrhea ... diuresis, salt-wasting ... #Hypokalemia #Differential