“…1,9 Caregiver-controlled analgesia, parent-controlled analgesia, and NAD are collectively referred to as ''authorized agent-controlled analgesia''. 7,8 In all cases of authorized agentcontrolled analgesia, the control of analgesia is returned to patients (ie, PCA) if and when they are able to assume it. 1 Criteria for determining which patients are candidates for NAD, policies and procedures, nursing and patient/family education regarding the therapy, and monitoring guidelines should be developed before the unconventional use of a PCA pump.…”