ANAESTHETISTS don't have many drugs. And those we have are steadily being taken away. We used to have an effective antiemetic — not that any antiemetic is really effective, but droperidol was the best we had. Maintenance doses for psychosis caused prolonged QT syndrome and it had to go. It was cheap and we anaesthetists used only a tiny dose once or twice per patient, so it was not worth making and we don't have it any more. We used to have methoxamine, …