[Precision of drug dilution techniques].

Object: Evaluation of accuracy of three common dilution methods for drugs.

Experimental Plan: Perspective double blind investigation from March to June 1995.

Place: Anaesthesia and Resuscitation Service of Children's Hospital of Iglesias (CA).

[An anesthetized anesthesiologist tells his experience of waking up accidentally during the operation].

We report the recollections of an anaesthesiologist who experienced urogenital surgery under balanced anaesthesia which was insufficient to prevent awareness during a part of the procedure. The patient was hard apprehensive before surgery and neither sedative nor amnesic drugs were done as premedication. He received an Innovar, thiopentone, suxamethonium, nitrous oxide/oxygen sequence for intubation.