Guideline for the Insertion, Management, Replacement and ...

On placement, free aspiration of dark venous blood should occur at a low pressure not exceeding 15-20 cm of water (1.5-2 kPa, 11-15 mmHg) via all lumens. If in doubt the catheter lumens can be checked with a column of fluid (e.g. IV administration set) or by connection to a pressure transducer and monitor to measure pressures and observe the ... ................
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