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 deficiency b12 cobalamin gastroenterology management vitamin bariatric bypass chronic classification complications diarrhea fat fatigue fe gastric gibleed handlebar hyperoxaluria
Causes of Fat Malabsorption - Differential Diagnosis Biliary Duct Obstruction • Autoimmune— PBC, PSC • Infection— liver
Causes of Fat Malabsorption ... - Differential ... choledocho/ithiasis Intestinal ... Celiac disease • IBD ... #Differential #
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 ... Deficiency #Cobalamin #differential
Causes of Chronic Diarrhea - Differential Diagnosis Osmotic • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... ZE syndrome) Malabsorptive ... syndrome (IBS) ... disease (IBD):
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 #
Vitamin B12 (Cobalamin) Deficiency Etiology: • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... disorders of small intestine ... intrinsic factor, IF) Clinical ... diarrhea related to IBD ... bariatric, gastric, intestinal
Upper and Lower Causes of GI Bleed Upper: • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... fistula Lower: • Bowel ... colitis, UC/Chrons (IBD ... Lower #GIBleed #differential ... #algorithm
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
Fatigue and IBD Algorithm • 40-50% patients have fatigue despite clinical remission • Risk factors: BMI,
Fatigue and IBD ... fatigue despite clinical ... UC Anemia and IBD ... IDA and active IBD ... /other causes •
Causes of Small Bowel Ulceration The diagnosis of IBD can’t be made or excluded by biopsies alone
Bowel Ulceration ... The diagnosis of IBD ... this requires clinical ... in the small bowel ... Ulceration #diagnosis #differential
Complications after Bariatric Surgery Post Bariatric Intestinal Failure: • Severe protein malnutrition after bariatric surgery • More
Post Bariatric Intestinal ... bolus to the small bowel ... (N/V bloating, abd ... Gastric bypass causes ... gastroenterology #diagnosis #differential
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