With the expertise of an author panel of leading clinicians in the field of surgery, trauma, critical care and geriatrics the new edition of this text addresses the explosion in knowledge on the impact aging has on injury, acute illness and critical care management. The text covers the physiologic changes associated with aging, as well as the clinical assessment, stratification, and management of acute illness and injury. Furthermore, the new edition discusses the full spectrum of critical care management of the elderly.<div> </div><div> Part I explores the impact of aging on health and the healthcare system. There will be detailed discussion on the physiologic effects of aging and the impact on clinical management. The management of common surgical emergencies in the elderly is addressed in Part II. Part III addresses the evaluation and management of trauma and injury.