Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief ๐Ÿ‡ต๐Ÿ‡ญ ๐Ÿ‡บ๐Ÿ‡ธ - 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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Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Disease - IBD Comparison ... Table Ulcerative ... ileum โ€ข Most cases ... #Disease #IBD # ... Comparison #Table
Intestinal Ultrasound (IUS) in IBD - IBD Algorithm

IUS Pros (+): no radiation, cost-effective, real-time data, well
(IUS) in IBD - ... IBD Algorithm ... Cons (-): limited ... #IBD #Algorithm ... #IBDAlgorithm #
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 โ€ข Autoimmuneโ€” PBC, PSC
 โ€ข Infectionโ€” liver
Causes of Fat Malabsorption ... choledocho/ithiasis Intestinal ... โ€ข Autoimmuneโ€” Crohn's ... Celiac disease โ€ข IBD ... Differential #Diagnosis #Causes
Upper and Lower Causes of GI Bleed
Upper:
 โ€ข Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... fistula Lower: โ€ข Bowel ... (IBD), Radiation ... differential #diagnosis #Causes ... #algorithm
Fatigue and IBD Algorithm
 โ€ข 40-50% patients have fatigue despite clinical remission
 โ€ข Risk factors: BMI,
Fatigue and IBD ... UC Anemia and IBD ... IDA and active IBD ... fatigue w/ active IBD ... /other causes โ€ข
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 โ€ข Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... syndrome (IBS) ... disease (IBD): ... Ulcerative colitis, Crohn's ... Chronic #Diarrhea #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary intestinal ... Excessive GI losses ... Chronic diarrhea / IBD ... Low #Magnesium #Table ... Classification #Causes
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
TABLE 2. ... Irritable bowel ... (IBS-D) - >25% ... (IBS-C) - >25% ... #Classes #Diagnosis
Causes of Small Bowel Ulceration
The diagnosis of IBD canโ€™t be made or excluded by biopsies alone
Causes of Small ... The diagnosis of IBD ... Causes of ulceration ... hereโ€™s a list of causes ... โ€ข Enteritis: Crohn's
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 ... Questions @WuidQ #Protozoal ... #causes #diarrhea