Microbiology Case Study: 4 Year Old Girl with Diarrhea

interesting case .thank you for sharing

Lablogatory

A 4-year-old girl with no past medical history had been feeling unwell for one day following a barbecue she had attended a few days prior. Her symptoms worsened to include colicky abdominal pain and bloody diarrhea, with as many as eight bowel movements per day. This persisted for the following two days; thereafter, she presented to the hospital also complaining of fever, nausea, and vomiting. She was found to be dehydrated and pale on exam, and was admitted for intravenous rehydration. Fecal leukocyte testing and stool cultures were sent. A Gram stain of the pathogen isolated from stool culture is shown in Figure 1.

camp1 Figure 1. Gram stain showing Gram-negative, curved rods

An infectious etiology is highly suspected given this patient’s presentation, leading to work-up with fecal leukocytes and stool cultures. The presence of fecal leukocytes, which was positive in this patient, is a strong indicator of inflammatory diarrhea. Bacterial…

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