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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18 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency - Cobalamin ... Celiac disease, IBD ... #differential # ... diagnosis #causes
IBD - Assessment of Lack of Response (sLOR) - Differential Diagnosis
Non-inflammatory mechanisms:
 β€’ IBS
 β€’ Fibrostenotic
IBD - Assessment ... mechanisms: β€’ IBS ... Other (bile salt diarrhea ... mechanisms, Non-IBD ... #Diagnosis #Causes
Chronic Diarrhea Differential Diagnosis
 β€’ Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 β€’ Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Differential Diagnosis ... Non-infectious: IBD ... β€’ Dysmotility: IBS ... #Diagnosis #causes
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 ... #Causes #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
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
sub-classifications lBS-diarrhoea ... of incomplete evacuation ... constipation and diarrhoea ... #Classes #Diagnosis ... #Diarrhea
Common causes of post-Transplant Diarrhea
 β€’ Bacterial: Clostridium difficile, Campylobacter spp., Salmonella spp., Bacterial overgrowth, Aeromonus
Common causes of ... post-Transplant Diarrhea ... Other: GVHD, PTLD, IBD ... #diagnosis #differential ... #causes
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 β€’ Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... β€’ Common Causes ... pain, diarrhea ... related to IBD, ... total body stores Evaluation
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
hypokalemia is ... wasting from other causes ... suggests extra-renal causes ... Laxative use β€’ Diarrhea ... #differential #
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