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 b12 cobalamin management vitamin diarrhea fat fatigue fe hivaids hyperoxaluria hypocalcemia iron nutrition oxalate protozoal
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 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
Causes of Iron Deficiency - Differential Diagnosis Algorithm • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... Diagnosis Algorithm ... cancer, ulcer, IBD ... Low iron diet MALABSORPTION
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
Hypocalcemia - Differential Diagnosis Algorithm • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Diagnosis Algorithm ... Hyperparathyroidism: CKD/ESRD, Malabsorption ... , Vit D deficiency ... #causes
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,
Algorithm • 40- ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... /other causes • ... #Algorithm #diagnosis
Protozoal causes of diarrhea in HIV Others not included in the table: Entamoeba histolytica, Giardia Iamblia Microsporidia -
Protozoal causes ... Washington University ID ... Questions @WuidQ #Protozoal ... #causes #diarrhea ... #HIVAIDS #Differential
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