[Carbon monoxide poisoning].

Carbon monoxide (CO) is a colourless, smell free, toxic gas. CO poisoning is treated by the administration of 100% oxygen, and in some cases by the administration of hyperbaric oxygen (HBO). In Denmark, 250-325 cases of CO poisoning are treated annually, of which a few percent receive HBO. However, there are discrepancies between the various current guidelines for the treatment of CO poisoning, in particular with respect to the indication for HBO. We describe the treatment of CO poisoning in a family of six members exposed to CO from indoor barbecuing.