Article: Medication safety--reliability of preference cards.

Medication use in perioperative settings involves a complex process that has the potential to result in serious errors. During a surgical procedure, different medications are added to the surgical field, and this can increase the risks of mishaps at any stage of the medication delivery process. Possible problems include

* misidentification of medications or solutions;

* inadvertent intravascular or organ infusion of a potentially toxic substance;

* infusion and infusion-device problems;

* timing of medication administration, specifically of preoperative antibiotics;

* miscommunication of verbal orders; and

* outdated preference cards. (1)

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