<prompt> In severe liver failure, Anaesthetic of choice isHalothaneIsofluraneMethoxyfluraneEnflurane  <response>: Isoflurane 134-Lees 13th 373 - KDT 6thISOFLURANE - Repeated iso flurane administration have failed to produce measurable changes in liver function Renal and hepatic toxicity has not been encountered. Anaesthetic choice in - Neurosurgery and safer in myocardial ischaemiaSEVOFLURANE - anaesthetic choice in Liver Kidney diseases It may trigger malignant hyperpyrexia in susceptible individuals Well tolerated in both children and adults Muscle relaxant of choice in hepatic renal failure - cisatracurium 