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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IBD Mimics
Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history:
IBD Mimics Infectious ... associated with ... inflammation: IBS ... 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 ... , UC/Chrons (IBD ... Lower #GIBleed #differential ... #diagnosis #Causes ... #algorithm
SCAD: Segmental Colitis Associated with Diverticulosis - IBD Algorithm

SCAD: Inflammation of the inter-diverticular mucosa without involvement
Associated with ... Diverticulosis - IBD ... Algorithm SCAD ... #IBD #Algorithm ... #IBDAlgorithm #
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 ... Deficiency #Cobalamin #differential ... #diagnosis #causes
Elevated Amylase (Hyperamylasemia)- Differential Diagnosis Algorithm
Pancreatic causes:
 - Pancreatic cancer
 - Complications pancreatitis: eg pseudocyst
 -
Diagnosis Algorithm ... Pancreatic causes ... Non-pancreatic causes ... sulindac - Active IBID ... disease, ulcerative colitis
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 β€’ Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... bowel syndrome (IBS ... bowel disease (IBD ... Chronic #Diarrhea #Causes
A quick way to consider causes of PEA arrest (or severe hypotension) is to consider: Volume
way to consider causes ... severe hypotension) is ... Obstruction, and then 3 causes ... Diagnosis #PEAArrest #Differential ... #Evaluation #Algorithm
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
bowel syndrome (IBS ... (IBS-C) - >25% ... of incomplete evacuation ... - Associated ... #Classes #Diagnosis
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary intestinal ... Excessive GI losses ... Chronic diarrhea / IBD ... Hypomagnesemia #Differential ... Classification #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... hypokalemia is ... wasting from other causes ... suggests extra-renal causes ... #differential #