21 results
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Non-infectious: IBD ... overgrowth, Celiac disease ... • Dysmotility: IBS ... #Diagnosis #causes ... #gastroenterology
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... : SIBO, Celiac disease ... , IBD, Lymphoma, ... Gastritis Other: Medications ... Deficiency #Cobalamin #differential
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... bowel syndrome (IBS ... (IBD): Ulcerative ... #Causes #Differential
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
- Diagnosis Algorithm ... without discernable cause ... microscopic colitis Differential ... Inflammatory (IBD ... #gastroenterology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... / IBD Renal Loses ... #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Adjust IS medications ... PTLD, GVHD or IBD ... #diagnosis #differential
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Fatigue and IBD ... UC Anemia and IBD ... IDA and active IBD ... fatigue despite disease ... /other causes
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Bowel Syndrome (IBS ... IBS is NOT a diagnosis ... /o red flags - Low ... vs non-IBS! ... • If Diarrhea:
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Medications 7. ... Systemic disease ... #workup #diagnosis ... #differential
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... gastric acidity, medications ... pain, diarrhea ... related to IBD, ... celiac disease,