title: Spontaneous ventilation with the Bain anaesthetic system.
abstract: Measurements of ventilation and of inspired gas composition were made while volunteers breathed a non-anaesthetic gas through a Bain anaesthetic system. It was found that rebreathing occurred when the fresh gas flow was between two-and-a-half and three times the minute volume. Fresh gas flows at least three times the minute volume appear to be necessary to prevent rebreathing when using this system.
mesh_terms: D000776:Anesthesiology / Q000295:instrumentation*; D002245:Carbon Dioxide; D006801:Humans; D012119:Respiration
chemical_list: D002245:Carbon Dioxide