Dr. Gerald Diaz @GeraldMD
49.9M 14.4K 7.6K
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - 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
Crohn's Disease - IBD ... Comparison Table ... ileum β€’ Most cases ... Crohns #Disease #IBD ... #Comparison #Table
IBD Mimics
Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history:
IBD Mimics Infectious ... inflammation: IBS ... (irritable bowel ... lymphomas, others) #IBD ... mimics #mimickers #differential
Upper and Lower Causes of GI Bleed
Upper:
 β€’ Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... fistula Lower: β€’ Bowel ... , UC/Chrons (IBD ... Lower #GIBleed #differential ... #algorithm
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
What is the difference ... initial treatment algorithms ... Ischemia: β€’ Small bowel ... : β€’ Large bowel ... differences #diagnosis #table
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 β€’ Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... β€’ Microscopic colitis ... syndrome (IBS) ... disease (IBD):
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 β€’ Autoimmuneβ€” PBC, PSC
 β€’ Infectionβ€” liver
Causes of Fat Malabsorption ... - Differential ... choledocho/ithiasis Intestinal ... Celiac disease β€’ IBD ... #Diagnosis #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 ... #causes #diarrhea ... #HIVAIDS #Differential
Complications after Bariatric Surgery
Post Bariatric Intestinal Failure:
 β€’ Severe protein malnutrition after bariatric surgery
 β€’ More
Post Bariatric Intestinal ... bolus to the small bowel ... (N/V bloating, abd ... Gastric bypass causes ... gastroenterology #diagnosis #differential
Handlebar Traumatic Injury 
Young girl presents to you after low energy, helmeted bicycle accident. Her vitals
abd w/contrast ... in over 80% of cases ... Can have intestinal ... injuries to the small bowel ... pattern on your differential
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