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Annals of Intensive Care
Fig. 1 | Annals of Intensive Care

Fig. 1

From: Assessing left ventricular systolic function with ejection fraction: using a double-edged knife as a hammer

Fig. 1

Concordance analysis. Four-quadrant plots showing the relationship between the percentage changes in left ventricular ejection fraction (LVEF) and left ventricular end-systolic elastance (Ees) (upper plot), femoral dP/dtmax and Ees (middle plot), and femoral dP/dtmax and LVEF (lower plot). Excellent trending capability is considered when ≥ 90% of the points lie in the right-upper and left-lower quadrants

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