Causes of Diarrhea
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Questions and Answers

What is the stool osmotic gap in osmotic diarrhea?

  • Stool osmotic gap is not relevant in osmotic diarrhea
  • Medium stool osmotic gap around 75 mmol/L
  • Low stool osmotic gap < 50 mmol/L
  • High stool osmotic gap ≥ 100 mmol/L (correct)
  • What is a common cause of secretory diarrhea?

  • Pancreatic insufficiency
  • Malabsorption disorders
  • Bile acid diarrhea
  • Enterotoxigenic E.coli (ETEC) (correct)
  • What can lead to nonanion gap metabolic acidosis in severe diarrhea?

  • Impaired absorption of bile acids and/or salts
  • Exocrine pancreatic insufficiency
  • Carbohydrate malabsorption
  • Loss of bicarbonate-rich fluid (correct)
  • What is a characteristic of traveler's diarrhea caused by Enterotoxigenic E.coli (ETEC)?

    <p>Most common cause of traveler's diarrhea globally</p> Signup and view all the answers

    In which condition does the text mention laxative abuse as a common cause?

    <p>Factitious diarrhea</p> Signup and view all the answers

    What can be an underlying cause of osmotic diarrhea?

    <p>Laxative ingestion</p> Signup and view all the answers

    Which diarrheal disorder can result from impaired absorption of bile acids and/or salts?

    <p>Bile acid diarrhea</p> Signup and view all the answers

    In severe diarrhea, what type of metabolic acidosis may be observed due to fluid loss?

    <p>'Nonanion gap' metabolic acidosis</p> Signup and view all the answers

    Which condition leads to the nonanion gap metabolic acidosis as mentioned in the text?

    <p>'Loss of bicarbonate-rich fluid'</p> Signup and view all the answers

    What is a characteristic of factitious diarrhoea as described in the text?

    <p>Usually due to laxative abuse</p> Signup and view all the answers

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