292 results
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic Diarrhea ... Causes of acute diarrhea ... Lactose intolerance ... Normal fecal fat: Lactose ... intolerance, Sorbitol, lactulose
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric Diarrhea ... Malabsorption: • Lactase ... • Toddler's Diarrhea ... Constipation/Overflow Diarrhea ... Bowel Syndrome #Diarrhea
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Radiation • Osmotic: Lactose ... BostonChiefs #Diarrhea
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic Diarrhea ... • Food/Drink: Lactose ... Mg hydroxide, Lactulose ... / #Chronic #Diarrhea
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... > 125mOsm/kg, Lactose ... breath test if lactose ... / #Chronic #Diarrhea
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - ... abdominal processes, Lactose ... uw_IMresidency #Acute #Diarrhea
IBD - Assessment of Lack of Response (sLOR) - Differential Diagnosis
Non-inflammatory mechanisms:
 • IBS
 • Fibrostenotic
Other (bile salt diarrhea ... , SIBO, lactose)
Chronic Diarrhea - Differential Diagnosis Algorithm
Steatorrhea
 - Maldigestive
    • Pancreatic Insufficiency
 - Primary
Chronic Diarrhea ... bsorption • Lactose ... Lymphoma #Chronic #Diarrhea
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
Causes of Chronic Diarrhea ... Osmotic Diarrhea ... Medications: antacids, lactulose ... Disaccharidase deficiency: lactose ... Factitious diarrhea
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Increased loss: - Diarrhea ... increased pyruvate and lactate ... Increased pyruvate & lactate ... - Increased Lactate