2Heart rate variability:standards of measurement, physiological interpretation and clinical use. Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Circulation, 1996,93(5):1043
3Pomfrett CJ, Barrie JR, Healy TE. Respiratory sinus arrhythmia:an index of light anaesthesia. Br J Anaesth, 1993,71(2):212
4Pomfrett CJ, Sneyd JR, Barrie JR et al. Respiratory sinus arrhythmia:comparison with EEG indices during isoflurane anaesthesia at 0.65 and 1.2 MAC. Br J Anaesth, 1994,72(4):397
5Blues CM, Pomfrett CJ. Respiratory sinus arrhythmia and clinical signs of anaesthesia in children. Respiratory sinus arrhythmia and clinical signs of anaesthesia in children. Br J Anaesth, 1998, 81(3):333
6Howell SJ, Wanigasekera V, Young JD et al. Effects of propofol and thiopentone, and benzodiazepine premedication on heart rate variability measured by spectral analysis. Br J Anaesth, 1995, 74(2):168
7Ikeda T, Doi M, Morita K et al. Effects of midazolam and diazepam as premedication on heart rate variability in surgical patients. Br J Anaesth, 1994, 73(4):479
8Michaloudis D, Kochiadakis G, Georgopoulou G et al. The influence of premedication on heart rate variability. Anaesthesia, 1998, 53(5):446
9Galletly DC, Westenberg AM, Robinson BJ et al. Effect of halothane, isoflurane and fentanyl on spectral components of heart rate variability. Br J Anaesth, 1994, 72(2):177
10Kato M, Komatsu T, Kimura T et al. Spectral analysis of heart rate variability during isoflurane anesthesia. Anesthesiology, 1992, 77(4):669
