Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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diagnosis management nutrition b12 cobalamin vitamin anemia ckd classification diarrhea fat fatigue fe hemodialysis hivaids hyperoxaluria hypomagnesemia hypomg low magnesium
Causes of Vitamin B12 Deficiency - Cobalamin Decreased Intake Pancreas: Insufficiency Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... Insufficiency Intestine ... Celiac disease, IBD ... infection, B12 malabsorption ... #Cobalamin #differential
Causes of Iron Deficiency - Differential Diagnosis Algorithm • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... cancer, ulcer, IBD ... diet MALABSORPTION ... #Deficiency #Differential
Causes of Iron Deficiency • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Inflammation: IBD ... @drkeithsiau #Iron ... #Deficiency #Causes ... #differential #
Causes of Iron Deficiency • Inadequate Intake: Vegetarian/vegan diet, Malnutrition • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Inflammatory Disease (IBD ... , cancer) #Iron ... #Deficiency #differential ... #diagnosis #causes
Causes of Fat Malabsorption - Differential Diagnosis Biliary Duct Obstruction • Autoimmune— PBC, PSC • Infection— liver
Causes of Fat Malabsorption ... - Differential ... choledocho/ithiasis Intestinal ... Pancreatic lipase deficiency ... Celiac disease • IBD
Vitamin B12 (Cobalamin) Deficiency Etiology: • Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... • Common Causes ... disorders of small intestine ... diarrhea related to IBD ... B12 #Cobalamin #Deficiency
Oxalate & Secondary Hyperoxaluria (1) High-oxalate diet (eg spinach, rhubarb) (2) Fat malabsorption (IBD, s/p RYGB) (3) Alterations in
rhubarb) (2) Fat malabsorption ... (IBD, s/p RYGB) ... Alterations in intestinal ... Hyperoxaluria #causes ... #differential #
Fatigue and IBD Algorithm • 40-50% patients have fatigue despite clinical remission • Risk factors: BMI,
Fatigue and IBD ... UC Anemia and IBD ... IDA and active IBD ... fatigue w/ active IBD ... /other causes •
Hypomagnesemia - Etiologies by Mechanism Decreased GI Uptake - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary intestinal ... Chronic diarrhea / IBD ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... Classification #Causes
Protozoal causes of diarrhea in HIV Others not included in the table: Entamoeba histolytica, Giardia Iamblia Microsporidia -
Protozoal causes ... included in the table ... Washington University ID ... #Protozoal #causes ... diarrhea #HIVAIDS #Differential
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