Giai đoạn 2 — Phân tích dữ kiện. Hoàn thành bốn phát biểu an toàn hướng dẫn xử trí các phát hiện về PCA, kali và heparin.

The PCA demand button should be activated by ::선택::any family member who sees a pain cuethe awake patient who can understand and physically activate itthe nurse whenever the patient is asleep. When a central-line-only 400 mEq/L potassium infusion causes burning at a peripheral site, the nurse should first ::선택::increase the rate so the vein is exposed for less timemove the unchanged bag immediately to another peripheral veinstop the infusion and assess and manage the site under policy. A slightly out-of-range aPTT during unfractionated heparin therapy is managed by ::선택::verifying the result and infusion, assessing bleeding, and applying the institution-specific nomogramusing the same fixed reduction in every hospitalraising the rate to protect the new coronary stent. If opioid-related respiratory depression persists despite initial support, the nurse should prepare to give ::선택::a full vial rapidly in every postoperative patientprotocol-directed titrated naloxone while supporting ventilationadditional morphine to improve respiratory comfort.