SVP Sevoflurane Value — FRCA Primary MCQ
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Correct answer: B — 21.3 kPa
SVP of sevoflurane at 20°C is approximately 21.3 kPa. Compare: isoflurane 33.2 kPa / desflurane 88.5 kPa / halothane 32.5 kPa. The boiling point of sevoflurane is 58.5°C. Desflurane's SVP near atmospheric pressure necessitates its heated pressurised vaporiser.
Reference: Al-Shaikh Stacey 2019 Essentials of Anaesthetic Equipment