Doses and effects of levobupivacaine and bupivacaine for spinal anaesthesia.

together for as long a distance as possible. However, we feel that the benefits significantly outweigh any risks associated, and that cases such as this should not be used as an excuse to avoid capnography monitoring on ICU. Avoidable airway deathscontinue tooccuronICU andcapnography, withaudible alarms, will lead to early identification of airway obstruction or displacement. Our speciality should be actively looking at ways to promote the use of capnography on ICU, bridging the gap between practice and standard.