The first edition of synopsis of anesthesia aims to provide a single text book, short yet comprehensive to provide efficient and rapid revision of concepts to meet the clinical needs of anesthesia residents. A physician has to learn and update knowledge because of constantly evolving advances in management. There is an exhaustive amount written on anesthesia and critical care as subject is vast and varied, but not always readily accessible. Authors have aimed to keep the chapter’s short and highly relevant thereby providing simple yet informative knowledge about the topics. This book has been prepared as per the curriculum and requirement of anesthesia degree courses in India. It has been prepared and written in a systemic manner and opts a simple approach in presenting the text. Utmost efforts have been made to cover all necessary important aspects of the subject including recent advances wherever required. The book provides brief information regarding basics of anesthesia, anesthesia management, recent advances in area of ICU management including latest guidelines on sepsis, ventilator induced pneumonia, Berlin definition of ARDS, recent advances in obstetrics, bariatric, geriatric, early recovery from anesthesia and surgery, physics of anesthesia, difficult airway society guidelines, statistical analysis, cardio-pulmonary exercise testing, management of electrolytes and acid base disorders including anesthesia management in dealing with the same, and latest advances from standard text books have been incorporated. Various standard flow charts with references have been added for quick reference guide.