The practice of anesthesia is referred to as anesthesiology. It includes the use of various inhaled and injected medications to cause the loss of sensations in patients. It enables to carry out those procedures that would otherwise cause unbearable pain. It is used to support body functions of a patient during, before and after the surgical period. Modern anesthesiology extends to providing pre-hospital emergency medicine, running intensive care units, transportation of critically ill patients, etc. It is also used in prehabilitation programs to ensure the successful surgery of patients. Anesthesiology procedures require knowledge of various areas including the pharmacology of inhalational anesthetics, topical anesthetics and vasopressors. It also monitors electrocardiography, electroencephalography as well as electromyography. The topics included in this book on anesthesiology are of utmost significance and bound to provide incredible insights to readers. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. This book will provide comprehensive knowledge to the readers.