This book discusses advanced critical care in medical, surgical and neonatal nursing. The presentation of this book, Advanced Critical Care in Medical, Surgical and Neonatal Nursing, is with practical procedures for Post Basic BSc Nursing, which includes the modern concept of child health care, healthy child, nursing care of the neonate, nursing management of common childhood diseases, and also the practicum is formulated. This book consists of 29 chapters. It includes management of client with shock, therapeutic management of cardiovascular system, nursing management of unconscious patient, preparation of drug infusion, therapeutic management of respiratory system, managing diabetic emergencies, mechanical ventilation, immediate postoperative care in recovery room or postanesthesia care unit, genitourinary disorders and nursing management, urological disorders and nursing management, dialysis, peritoneal dialysis, stress and adaptation, defense against injury, fluid, electrolyte and acid-base balance, management of patients in pain, neonatal critical care, high-risk neonate, nursing care of newborn, examination of the newborn by the pediatrician, neonatal resuscitation, nursing care in different conditions, genetic influences in child health, principles of preoperative care of infants and children, congenital heart disease and pediatric emergencies. The content of this book will be a great resource for both nurse educators and students, in an effective manner to teach and learn better by utilizing information.