Perioperative monitoring is crucial for optimizing clinical outcomes in perioperative medicine. This state-of-the-art book introduces the latest technologies and updated methodologies essential for healthcare providers involved in perioperative care. Covering all stages—preoperative, intraoperative, and postoperative—this book details advanced monitoring strategies using the newest equipment and techniques to ensure patient safety. Chapters focus on various monitoring technologies, including those for blood pressure, ventilation, cardiac performance, oxygenation, heart rate, and brain function. These clinical monitors are vital for delivering safe and effective care across healthcare professions. The book also explores the validation of clinical investigations and the future of patient monitoring, including innovations in machine learning, artificial intelligence, and remote monitoring in perioperative medicine. Each chapter concludes with bullet-point summaries for easy reference. The editors, who are seasoned experts in anesthesiology, pharmacology, physiology, and pain management, bring decades of experience as clinicians, leaders, and educators. This book is an invaluable resource for mastering the critical concepts of perioperative patient monitoring.