Cardiology Research and Practice References [1] S. J. Huang and A. S. McLean, “Do we need a critical care ultra- sound certiﬁcation program? Implications from an Australian medical-legal perspective,” Critical Care, vol. 14, no. 3, p. 313, 2010. [2] A. S. McLean, “Echocardiography and the intensive care unit,” Critical Care and Resuscitation, vol. 1, no. 3, pp. 231–231, 1999. [3] A. S. McLean, “International recommendations on compe- tency in critical care ultrasound: pertinence to Australia and New Zealand,” Critical Care and Resuscitation, vol. 13, no. 1, pp. 56–58, 2011. [4] W. A. Zoghbi and M. A. Quinones, “Determination of cardiac output by Doppler echocardiography: a critical appraisal,” Herz, vol. 11, no. 5, pp. 258–268, 1986. [5] A. S. McLean, A. Needham, D. Stewart, and R. Parkin, “Esti- mation of cardiac output by noninvasive echocardiographic techniques in the critically ill subject,” Anaesthesia and Inten- sive Care, vol. 25, no. 3, pp. 250–254, 1997. [6] B. J. Kircher, R. B. Himelman, and N. B. Schiller, “Noninvasive estimation of right atrial pressure from the inspiratory col- lapse of the inferior vena cava,” American Journal of Cardiol- ogy, vol. 66, no. 4, pp. 493–496, 1990. [7] O. Yildirimturk, Y. Tayyareci, R. Erdim et al., “Assessment of right atrial pressure using echocardiography and correlation with catheterization,” Journal of Clinical Ultrasound, vol. 39, no. 6, pp. 337–343, 2011. [8] J. M. Brennan, J. E. Blair, S. Goonewardena et al., “Reappraisal of the use of inferior Vena Cava for estimating right atrial pressure,” Journal of the American Society of Echocardiography, vol. 20, no. 7, pp. 857–861, 2007. [9] C. R. Shippy, P. L. Appel, and W. C. Shoemaker, “Reliability of clinical monitoring to assess blood volume in critically ill patients,” Critical Care Medicine, vol. 12, no. 2, pp. 107–112, 1984. [10] P. E. Marik, M. Baram, and B. Vahid, “Does central venous pressure predict ﬂuid responsiveness? A systematic review of the literature and the tale of seven mares,” Chest, vol. 134, no. 1, pp. 172–178, 2008. [11] S. F. Nagueh, H. A. Kopelen, and W. A. Zoghbi, “Relation of mean right atrial pressure to echocardiographic and Doppler parameters of right atrial and right ventricular function,” Circulation, vol. 93, no. 6, pp. 1160–1169, 1996. [12] J. Jue, W. Chung, and N. B. Schiller, “Does inferior vena cava size predict right atrial pressures in patients receiving mechanical ventilation?” Journal of the American Society of Echocardiography, vol. 5, no. 6, pp. 613–619, 1992. [13] S. K. Dutta, G. D. Plotnick, R. Williams, and F. Morris, “Mas- sive dilation of the inferior vena cava. Association with tricus- pid regurgitation,” Journal of the American Medical Association, vol. 239, no. 2, pp. 135–136, 1978. [14] R. S. Meltzer, J. McGhie, and J. Roelandt, “Inferior vena cava echocardiography,” Journal of Clinical Ultrasound, vol. 10, no. 2, pp. 47–51, 1982. [15] F. Mookadam, T. A. Warsame, H. S. Yang, U. R. Emani, C. P. Appleton, and S. F. Raslan, “Eﬀect of positional changes on inferior vena cava size,” European Journal of Echocardiography, vol. 12, no. 4, pp. 322–325, 2011. [16] S. Magder, “Fluid status and ﬂuid responsiveness,” Current Opinion in Critical Care, vol. 16, no. 4, pp. 289–296, 2010. [17] F. Cavallaro, C. Sandroni, C. Marano et al., “Diagnostic accu- racy of passive leg raising for prediction of ﬂuid responsiveness in adults: systematic review and meta-analysis of clinical stud- ies,” Intensive Care Medicine, vol. 36, no. 9, pp. 1475–1483, 2010. 7 [18] J. L. Vincent and M. H. Weil, “Fluid challenge revisited,” Critical Care Medicine, vol. 34, no. 5, pp. 1333–1337, 2006. [19] X. Monnet, M. Rienzo, D. Osman et al., “Passive leg raising predicts ﬂuid responsiveness in the critically ill,” Critical Care Medicine, vol. 34, no. 5, pp. 1402–1407, 2006. [20] F. Michard and J. L. Teboul, “Using heart-lung interactions to assess ﬂuid responsiveness during mechanical ventilation,” Critical Care, vol. 4, no. 5, pp. 282–289, 2000. [21] C. Charron, V. Caille, F. Jardin, and A. Vieillard-Baron, “Echo- cardiographic measurement of ﬂuid responsiveness,” Current Opinion in Critical Care, vol. 12, no. 3, pp. 249–254, 2006. [22] M. Slama, H. Masson, J. L. Teboul et al., “Respiratory varia- tions of aortic VTI: a new index of hypovolemia and ﬂuid responsiveness,” American Journal of Physiology Heart and Cir- culatory Physiology, vol. 283, no. 4, pp. H1729–H1733, 2002. [23] S. Magder, G. Georgiadis, and T. Cheong, “Respiratory varia- tions in right atrial pressure predict the response to ﬂuid chal- lenge,” Journal of Critical Care, vol. 7, no. 2, pp. 76–85, 1992. [24] S. Magder, D. Lagonidis, and F. Erice, “The use of respiratory variations in right atrial pressure to predict the cardiac output response to PEEP,” Journal of Critical Care, vol. 16, no. 3, pp. 108–114, 2001. [25] C. Barbier, Y. Loubieres, C. Schmit et al., “Respiratory changes in inferior vena cava diameter are helpful in predicting ﬂuid responsiveness in ventilated septic patients,” Intensive Care Medicine, vol. 30, no. 9, pp. 1740–1746, 2004. [26] M. Feissel, F. Michard, J. P. Faller, and J. L. Teboul, “The res- piratory variation in inferior vena cava diameter as a guide to ﬂuid therapy,” Intensive Care Medicine, vol. 30, no. 9, pp. 1834– 1837, 2004. [27] A. Vieillard-Baron, K. Chergui, A. Rabiller et al., “Superior vena caval collapsibility as a gauge of volume status in ventilated septic patients,” Intensive Care Medicine, vol. 30, no. 9, pp. 1734–1739, 2004. [28] P. Vignon, “Evaluation of ﬂuid responsiveness in ventilated septic patients: back to venous return,” Intensive Care Medi- cine, vol. 30, no. 9, pp. 1699–1701, 2004. [29] A. Perner and T. Faber, “Stroke volume variation does not pre- dict ﬂuid responsiveness in patients with septic shock on pres- sure support ventilation,” Acta Anaesthesiologica Scandinavica, vol. 50, no. 9, pp. 1068–1073, 2006. [30] C. Charron, C. Fessenmeyer, C. Cosson et al., “The inﬂuence of tidal volume on the dynamic variables of ﬂuid responsive- ness in critically ill patients,” Anesthesia and Analgesia, vol. 102, no. 5, pp. 1511–1517, 2006. [31] Y. Mahjoub, J. Touzeau, N. Airapetian et al., “The passive leg- raising maneuver cannot accurately predict ﬂuid responsive- ness in patients with intra-abdominal hypertension,” Critical Care Medicine, vol. 38, no. 9, pp. 1824–1829, 2010. [32] D. Jacques, K. Bendjelid, S. Duperret, J. Colling, V. Piriou, and J. -. Viale, “Pulse pressure variation and stroke volume varia- tion during increased intra-abdominal pressure: an experi- mental study,” Critical Care, vol. 15, no. 1, article 33, 2011. [33] J. Renner, M. Gruenewald, R. Quaden et al., “Inﬂuence of in- creased intra-abdominal pressure on ﬂuid responsiveness pre- dicted by pulse pressure variation and stroke volume variation in a porcine model,” Critical Care Medicine, vol. 37, no. 2, pp. 650–658, 2009. [34] D. de Backer, F. S. Taccone, R. Holsten, F. Ibrahimi, and J. L. Vincent, “Inﬂuence of respiratory rate on stroke volume var- iation in mechanically ventilated patients,” Anesthesiology, vol. 110, no. 5, pp. 1092–1097, 2009.