Inhaled anesthetics: vapor pressure

Physics, Monitoring, & Devices

Vapor Pressure of Inhaled Anesthetic Agents (at 20 C)

  • Desflurane: 669 mm Hg
  • Halothane: 243 mm Hg
  • Isoflurane: 238 mm Hg
  • Sevoflurane: 157 mm Hg

Blood:Gas Partition Coefficient of Inhaled Anesthetic Agents (at 20 C) 

  • Halothane: 2.50 (MAC 0.75%)
  • Isoflurane: 1.46 (MAC 1.2%)
  • Sevoflurane: 0.65 (MAC 1.8-2.4%)
  • Desflurane: 0.42 (MAC 6-7.2%)

39%

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2008

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