Dr. Gerald Diaz @GeraldMD
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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
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 β€’ Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diagnosis Osmotic ... syndrome (IBS) ... disease (IBD): ... #Causes #Differential
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
What is the difference ... initial treatment algorithms ... tenderness, bloody diarrhea ... #differences #diagnosis ... #table
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 ... #differential #diagnosis ... #Causes #algorithm
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
TABLE 2. ... Irritable bowel ... lBS-diarrhoea ... #Classes #Diagnosis ... #Diarrhea
Diarrhea with Normal Colonoscopy
 β€’ Colonic: Bile acid malabsorption, Microscopic colitis, Overflow diarrhoea, Missed pathology
 β€’
malabsorption, Microscopic colitis ... coeliac), Short bowel ... 19) β€’ Others: IBS-D ... , Drugs, Diet, Alcohol ... #differential #diagnosis
Fatigue and IBD Algorithm
 β€’ 40-50% patients have fatigue despite clinical remission
 β€’ Risk factors: BMI,
Fatigue and IBD ... UC Anemia and IBD ... IDA and active IBD ... /other causes β€’ ... #Algorithm #diagnosis
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Chronic diarrhea ... / IBD Renal Loses ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 β€’ Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... Algorithm β€’ Blood ... cancer, ulcer, IBD ... Lactation, Low iron diet ... #Causes #Fe #algorithm
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 β€’ Vit B12 - aka cobalamin. Present in foods derived from animal
β€’ Common Causes ... pain, diarrhea ... related to IBD, ... : β€’ History - Diet ... consider other diagnosis