Our cerner ehr implementation requires (forced field) a demand dose lockout, a one-hour limit and a 4-hr limit on our pca orders.Our pca pump (hospira lifecare pca) does not allow programming of both, the 1 hr and the 4 hr limits (one or the other is allowed).This puts us in a position of having to carry out a physician order that we cannot carry out using the technology we currently have.On a boarder scale, if a physician orders a demand dose lockout (6-10 min) and a 4 hr mg limit for a particular pt, there is a risk of the pt front - loading all allowed demand doses to the front end of the 4 hr window.This has the risk of pharmacological oversedation early in the window, and inadequate pain control in later part of 4 hr window.We think it is good to have both, a 1 hr window and a 4 hr limit programmable.We think that both 1 hr and 4 hr limits should have maximums which are less than simple multiples of the q6-10mins demand dose.We feel that the pca pump should have the ability to limit the doses on all three parameters.Demand dose lockout, 1 hr maximum and 4 hours maximum.Where did the error occur: hospital.Reporter's recommendations: we think it is good to have both, a 1 hr window and a 4 hr limit programmable.We think that both 1 hr and 4 hr limits should have maximums which are less than simple multiples of the q6-10mins demand dose.We feel that the pca pump should have the ability to limit the doses on all three parameters.Demand dose lockout, 1 hr maximum and 4 hours maximum.(b)(6).
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