The revised and updated edition of this core curriculum guides emergency nurses through all the clinical, professional, legal, educational, and research-related issues that affect their work.All content has been revised for accuracy and currency and the organization of material parallels the new blueprint for the CEN exam. The fifth edition also features new coverage of pain management, triage classification, long term complications of ED care, rationales for major interventions, and the pathophysiology of major illnesses and injuries. New illustrations make the material easier to understand and remember.