Can a cannula be flushed with water for injection?

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  1. by Jul 27, '12
    Hi Guys,

    In practice I have seen nurses flushing cannulas with normal saline and other with water for injection. What is the difference between both?
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    by Joana2009 Jul 27, '12 4:36 pm
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  4. Aug 1, '12 by
    hi.. I dont believe it would be best practice to flush with WFI as there is a different osmolarity to NS, NS being isotonic, and one could compromise the access, especially in those with friable vasculature. I may be wrong but this was what I was lead to believe many years ago and I have never flushed with WFI.