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
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
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
What is the difference ... initial treatment algorithms ... : β€’ Large bowel ... #differences #diagnosis ... #table
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 β€’ Autoimmuneβ€” PBC, PSC
 β€’ Infectionβ€” liver
Causes of Fat Malabsorption ... - Differential Diagnosis ... choledocho/ithiasis Intestinal ... Celiac disease β€’ IBD ... #Causes
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 β€’ Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... - Differential Diagnosis ... syndrome (IBS) ... disease (IBD): ... Chronic #Diarrhea #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary intestinal ... Chronic diarrhea / IBD ... #Differential #Diagnosis ... 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
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 ... Alterations in intestinal ... Hyperoxaluria #causes ... #differential #diagnosis
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 ... #Differential #Diagnosis
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
TBRF is caused by ... the body louse, causes ... Northeast Africa with cases ... Several cases have ... The table below