Care meant to support the life of extremely ill patients who are almost on the verge of death is known as critical care. An area in a hospital which is meant to provide intensive treatment medicine to critical patients is known as critical care unit. Trauma, acute respiratory distress syndrome (ARDS), multiple organ failure, and sepsis are some of the common conditions which are treated in a critical care unit. Some of the common equipment present in a critical care unit include equipment for performing hemofiltration, mechanical ventilation equipment, and nasogastric tubes. This book unfolds the innovative aspects of critical care which will be crucial for the progress of this field in the future. The topics included herein are of utmost significance and bound to provide incredible insights to readers. Doctors, experts, and students actively engaged in this field will find this book full of crucial and unexplored concepts.