The book provides a comprehensive review of the hyperbaric medicine pertinent to treating critically ill patients with hyperbaric oxygen in both monoplace and multiplace chambers. Hyperbaric oxygen is used in treating a number of disorders that occur in critically ill patients, including acute carbon monoxide poisoning, arterial gas embolism, severe decompression sickness, clostridial gas gangrene, necrotizing fasciitis, and acute crush injury. Not all intensive care unit-related equipment can be subjected to hyperbaric pressurization, and some equipment may increase the risk for fire inside the chamber. Treating critically ill patients with hyperbaric oxygen requires specialized equipment and personnel with intensive care unit skills and knowledge of the physiology and risks unique to hyperbaric oxygen exposure. The book highlights the key considerations important in assessing the risks vs. the benefits of hyperbaric oxygen for any given critical care disorder.