Induction Initiate at a conc of 0.5%. Surgical anaesth is usually produced in 7-10 min w/ conc of 1.5-3%.
Maintenance 1-2.5% isoflurane in a 30% O
2/70% nitrous oxide mixture. Additional 0.5-1% isoflurane may be required w/ lower nitrous oxide levels, or given w/ O
2 alone, or w/ air/O
2 mixtures.
Recovery Reduce to 0.5% at the start of closing of operation wound, then to 0% at the end of surgery. Ventilate patient with O
2 100% until complete recovery.