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Deltex Medical employs a Scientist Lecturer to deliver scientific (non-commercial) seminars on IOFM (Intra-operative fluid management).

Dr Carissa Murrell delivers the seminars, which take approximately 45 minutes (including question time) and covers:

  • The available technologies
  • How they work
  • Their accuracy and precision
  • The fluid management algorithms
  • The evidence

For more information, or to book a seminar, please email:

Dr Murrell completed her PhD in Physiology at New Zealand’s University of Otago. Using Doppler ultrasound and non-invasive cardiac output monitoring technology, she studied the effect of age, fitness, and exercise on the control of cerebral blood flow.

Dr Murrell’s publication record:

C.J. Murrell, J.D. Cotter, K.N. Thomas, S.J. Lucas, M.J. Williams, and P.N. Ainslie, Cerebral blood flow and cerebrovascular reactivity at rest and during sub-maximal exercise: effect of age and 12-week exercise training. Age (Dordr), 2013. 35(3): p. 905-20.

S.J. Lucas, P.N. Ainslie, C.J. Murrell, K.N. Thomas, E.A. Franz, and J.D. Cotter, Effect of age on exercise-induced alterations in cognitive executive function: relationship to cerebral perfusion. Exp Gerontol, 2012. 47(8): p. 541-51.

C.J. Murrell, J.D. Cotter, K. George, R. Shave, L. Wilson, K. Thomas, M.J. Williams, and P.N. Ainslie, Syncope is unrelated to supine and postural hypotension following prolonged exercise. Eur J Appl Physiol, 2011. 111(3): p. 469-76.

C.J. Murrell, J.D. Cotter, K. George, R. Shave, L. Wilson, K. Thomas, M.J. Williams, and P.N. Ainslie, Cardiorespiratory and cerebrovascular responses to head-up tilt II: influence of age, training status and acute exercise. Exp Gerontol, 2011. 46(1): p. 1-8.

C.J. Murrell, J.D. Cotter, K. George, R. Shave, L. Wilson, K. Thomas, M.J. Williams, and P.N. Ainslie, Cardiorespiratory and cerebrovascular responses to head-up tilt I: influence of age and training status. Exp Gerontol, 2011. 46(1): p. 9-17.

M. Wilson, R. O’Hanlon, S. Basavarajaiah, K. George, D. Green, P. Ainslie, S. Sharma, S. Prasad, C. Murrell, D. Thijssen, A. Nevill, and G. Whyte, Cardiovascular function and the veteran athlete. Eur J Appl Physiol, 2010. 110(3): p. 459-78.

D.C. Cowan, R.S. Hewitt, J.O. Cowan, R. Palmay, A. Williamson, S.J. Lucas, C.J. Murrell, K.N. Thomas, and D.R. Taylor, Exercise-induced wheeze: Fraction of exhaled nitric oxide-directed management. Respirology, 2010. 15(4): p. 683-90.

C. Murrell, J.D. Cotter, K. George, R. Shave, L. Wilson, K. Thomas, M.J. Williams, T. Lowe, and P.N. Ainslie, Influence of age on syncope following prolonged exercise: differential responses but similar orthostatic intolerance. J Physiol, 2009. 587(Pt 24): p. 5959-69.

T. Peng, P.N. Ainslie, J.D. Cotter, C. Murrell, K. Thomas, M.J. Williams, K. George, R. Shave, A.B. Rowley, and S.J. Payne, The effects of age on the spontaneous low-frequency oscillations in cerebral and systemic cardiovascular dynamics. Physiol Meas, 2008. 29(9): p. 1055-69.

H.C. Marshall, M.J. Hamlin, J. Hellemans, C. Murrell, N. Beattie, I. Hellemans, T. Perry, A. Burns, and P.N. Ainslie, Effects of intermittent hypoxia on SaO(2), cerebral and muscle oxygenation during maximal exercise in athletes with exercise-induced hypoxemia. Eur J Appl Physiol, 2008. 104(2): p. 383-93.

K.C. Peebles, A.M. Richards, L. Celi, K. McGrattan, C.J. Murrell, and P.N. Ainslie, Human cerebral arteriovenous vasoactive exchange during alterations in arterial blood gases. J Appl Physiol, 2008. 105(4): p. 1060-8.

S.J. Lucas, J.D. Cotter, C. Murrell, L. Wilson, J.G. Anson, D. Gaze, K.P. George, and P.N. Ainslie, Mechanisms of orthostatic intolerance following very prolonged exercise. J Appl Physiol, 2008. 105(1): p. 213-25.

P.N. Ainslie, S. Ogoh, K. Burgess, L. Celi, K. McGrattan, K. Peebles, C. Murrell, P. Subedi, and K.R. Burgess, Differential effects of acute hypoxia and high altitude on cerebral blood flow velocity and dynamic cerebral autoregulation: alterations with hyperoxia. J Appl Physiol, 2008. 104(2): p. 490-8.

P.N. Ainslie, J.D. Cotter, K.P. George, S. Lucas, C. Murrell, R. Shave, K.N. Thomas, M.J. Williams, and G. Atkinson, Elevation in cerebral blood flow velocity with aerobic fitness throughout healthy human ageing. J Physiol, 2008. 586(16): p. 4005-10.

K. Peebles, L. Celi, K. McGrattan, C. Murrell, K. Thomas, and P.N. Ainslie, Human cerebrovascular and ventilatory CO2 reactivity to end-tidal, arterial and internal jugular vein PCO2. J Physiol, 2007. 584(Pt 1): p. 347-57.

P.N. Ainslie, A. Barach, K.J. Cummings, C. Murrell, M. Hamlin, and J. Hellemans, Cardiorespiratory and cerebrovascular responses to acute poikilocapnic hypoxia following intermittent and continuous exposure to hypoxia in humans. J Appl Physiol, 2007. 102(5): p. 1953-61.

C. Murrell, L. Wilson, J.D. Cotter, S. Lucas, S. Ogoh, K. George, and P.N. Ainslie, Alterations in autonomic function and cerebral hemodynamics to orthostatic challenge following a mountain marathon. J Appl Physiol, 2007. 103(1): p. 88-96.

P.N. Ainslie, C. Murrell, K. Peebles, M. Swart, M.A. Skinner, M.J. Williams, and R.D. Taylor, Early morning impairment in cerebral autoregulation and cerebrovascular CO2 reactivity in healthy humans: relation to endothelial function. Exp Physiol, 2007. 92(4): p. 769-77.

P.N. Ainslie, A. Barach, C. Murrell, M. Hamlin, J. Hellemans, and S. Ogoh, Alterations in cerebral autoregulation and cerebral blood flow velocity during acute hypoxia: rest and exercise. Am J Physiol Heart Circ Physiol, 2007. 292(2): p. H976-83.