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"Sepsis caused by Raoultella terrigena" by Shaik MM and Morgan M published in the Journal of the Royal Society of Medicine Short Reports, June 2011 (open access).


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The photo: blood cultures

Blood from patients with a suspected diagnosis of septicaemia or endocarditis is collected into bottles containing nutrients and incubated in a machine at 37°C. If bacteria are present, they multiply utilising nutrients and producing by-products; these products are monitored by sensors and the bottles are flagged when they reach a level that has a positive-predictive value.

Further examinations are conducted on aliquots of the culture to determine the type of bacteria present and which antibiotics are most appropriate for the patient's treatment.


Is the pseudonym of Dr Marina Morgan, a Consultant in Medical Microbiology in Exeter, in the south-west of England.

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