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Fig. 3 | BMC Anesthesiology

Fig. 3

From: Efficacy of using tidal volume challenge to improve the reliability of pulse pressure variation reduced in low tidal volume ventilated critically ill patients with decreased respiratory system compliance

Fig. 3

Receiver operating characteristics curves from nine diagnostics tests to detect fluid responsiveness. CCI, continuous cardiac index during ventilation with 6 ml/kg predicted body weight tidal volume; HR, heart rate; MAP, mean arterial pressure; CVP_vt6, central venous pressure during ventilation with 6 ml/kg predicted body weight tidal volume; CVP_vt8, central venous pressure during ventilation with 8 ml/kg predicted body weight tidal volume; CVP_Δ, changes in central venous pressure between ventilation with 6 and 8 ml/kg predicted body weight tidal volume; PPV_vt6, pulse pressure variation during ventilation with 6 ml/kg predicted body weight tidal volume; PPV_vt8, pulse pressure variation during ventilation with 8 ml/kg predicted body weight tidal volume; PPV_Δ, change in pulse pressure variation between ventilation with 6 and 8 ml/kg predicted body weight tidal volume

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