the acute effects of althesin , etomidate and fentanyl upon haemodynamics , myocardial contractility and oxygen comsumption of the heart were studied in healthy premedicated patients ( n = 15 ) lightly anaesthetized with n2o-o2 ( ratio 2:1 ) , 0.3 volumes per cent of halothane and isoflurane respectively .
C0027061
myocardial
C0018787
heart