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Fig. 1 | Critical Care

Fig. 1

From: Continuous bladder urinary oxygen tension as a new tool to monitor medullary oxygenation in the critically ill

Fig. 1

An example of a fibre optic probe (an “optode”) for fluorescence lifetime oximetry (NX-LAS-1/O/E; Oxford Optronix Ltd.; Abingdon, UK). Here, the optode has been advanced through a Foley bladder catheter to permit continuous monitoring of bladder urinary oxygen tension. Similar probes can be used to invasively measure tissue oxygen tension in various organs

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