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Table 1 Corresponding vertical distances and the changes and variation rates of continuous cardiac index changes and dP/dtmax

From: The relationship between arterial transducer level and pulse contour waveform-derived measurements

Vertical distance CCI change, L/minute per m2 Rate of CCI change, percentage dP/dtmax change, mm Hg/second Rate of dP/dtmax change, percentage
+20 cm 0.36 11.9 −36 −3.5
+15 cm 0.24 7.9 −27 −2.6
+10 cm 0.13 4.5 −17 −1.6
+5 cm 0.01 0.31 −6 −0.65
−5 cm −0.03 −0.85 9 0.9
−10 cm −0.11 −3.4 21 2.0
−15 cm −0.20 −6.4 32 3.1
−20 cm −0.29 −9.3 44 4.1
  1. Data are presented as the mean. CCI, continuous cardiac index; dP/dtmax, rate of left ventricular pressure rise during systole.