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acute diarrhea diarrhea Gastroenterology Medicine Physiotherapy

Clinical Features and Investigations of Acute Diarrhea

In this article we will discuss the Clinical Features and Investigations of Acute Diarrhea

In this article, we will discuss the Clinical Features and Investigations of Acute Diarrhea. So, let’s get started.

Signs and Symptoms

  • Nausea, vomiting
  • Abdominal pain
  • Fever
  • Watery stools
  • Blood in the stool (hematochezia)
  • Excessive thirst

Signs of dehydration may be present

  • Patient irritable
  • Weak pulse, low BP
  • Depressed fontanelle
  • Dry pinched facies
  • Sunken eyeballs
  • Dryness of mouth, tongue, mucous membrane
  • Loss of skin turgor

Investigations

  • Stool examination for leukocytes, ova, parasites, blood and pus cells, etc
  • Stool for fecal lactiferin: It is a sensitive marker of fecal leukocytes, indicates inflammatory diarrhea. It is estimated by ELISA and latex agglutination test
  • Stool immunoassay for bacterial toxins (c.difficile), viral antigen (rota virus) and protozoal antigens (Giardia, E.histolytica)
  • Stool culture for isolation of the infective agent, i.e. enterohemorrhagic and other types of E.coli, Vibrio species and Versinia
  • Complete hemogram
  • Blood biochemistry, e.g. urea, creatinine, electrolytes
  • Blood culture
  • Sigmoidoscopy with biopsies and upper endoscopy with duodenal aspirates and biopsy if indicated
  • Abdominal X-ray or CT scan

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