Frequencies of anesthetic drugs.

<p>Values are given as numbers and percentages relative to the total number (below pie diagram). A: Sedative drugs for premedication. Inhalational anesthetics include: isoflurane 56 (33%) and sevoflurane 13 (8%). B: Sedative agents for anesthesia maintenance. Inhalational anesthetics include: isoflurane 225 (31%), isoflurane/nitrous oxide 36 (5%), sevoflurane 28 (4%) and halothane 20 (3%). C: Analgesic drugs for premedication. D: Analgesic drugs for anesthesia maintenance. E: Neuromuscular blocking agents. F: Analgesics for postoperative pain therapy. Other: drugs with <1% occurrence. n/s: not specified.