Pt was a port-a-cath for ongoing cancer treatment.After surgery, an on-q c-bloc (model 6007) was filled with ropivacaine 0.2%.Over the night, the pt became confused and disconnected iv and on-q lines.When the nurse reconnected the line, the on-q was inadvertently connected to the port-a-cath because the luer-lock end is similar to the iv connector.The pt received intravenous ropivacaine for approx 8 hrs before the mistake was noticed.The error was noticed by the next shift and corrected.No harm to pt but pca conducted due to the potential for a threatening event.As part of the rca process, a recommendation was made to file a medwatch report.We recommend that the on-q device should have a connector that is clearly different than standard iv tubing since local anesthetic infusion with on-q is not intended for intravenous infusion.
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