Minimum alveolar concentration (MAC) values for inhalation agents: 1 MAC
Minimum alveolar concentration (MAC) values for inhalation agents: 1 MAC
Inhalation anesthetic agent
Minimum alveolar concentration (MAC) value (1 MAC)*
Nitrous oxide
104
Desflurane
6.6
Sevoflurane
1.8
Isoflurane
1.17
Halothane
0.75
The minimum alveolar concentration (MAC) value is the concentration of an inhalation anesthetic agent in the lung alveoli required to prevent movement in response to a surgical stimulus in 50% of patients.