Zainab A Malik, Darcy Broughel.
The importance of testing whole stool for Shiga toxin: a clinical and microbiological perspective.
J Pak Med Assoc Jan ;57(5):265-6.

This case report emphasizes the importance of testing whole stool for the presence of Shiga toxin; especially in light of clinical suspicion, or whenever a grossly bloody stool specimen is received in the lab. Since organisms other than Escherichia coli O157:H7 can elaborate Shiga toxin, a negative stool culture for the usual enteric pathogens does not rule out the possibility of a Shiga toxin-mediated pathology in the appropriate clinical setting. The presence of this toxin in stool influences a physician`s approach towards the patient`s antimicrobial management.

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