The medical specialty that supports patients whose lives are in immediate danger is referred to as intensive care. It is required when a vital organ such as the heart, liver, lungs, kidneys, or the nervous system is affected in case of complications such as cardio-vascular incidents, severe Infections, acute respiratory infections, neurological problems, etc. An intensive care unit or ICU is a special department of a hospital or health care facility that provides intensive care medicine. There are several types of intensive care units such as neonatal, pediatric, geriatric, psychiatric, coronary care, neurological, traumatic, post-anesthesia, high dependency and surgical intensive care unit. This book is a compilation of chapters that discuss the most vital concepts and emerging trends in intensive care. It elucidates new techniques and their applications in a multidisciplinary manner. This book aims to equip students and experts with advanced topics and upcoming concepts in this area.