Figure 4From: Changes in aortic blood flow induced by passive leg raising predict fluid responsiveness in critically ill patientsBoxplots and individual values of change in ABF, LVETc and ΔPP in responders and non-responders. Abbreviations: ABF = aortic blood flow; LVETc = left ventricular ejection time corrected for heart rate; ΔPP = respiratory variation of pulse pressure. Asterisk, p < 0.05 for responders versus non-responders.Back to article page