Fig. 1From: Fluid management guided by a continuous non-invasive arterial pressure device is associated with decreased postoperative morbidity after total knee and hip replacementThe protocols of fluid management in the second-stage groups (PRESSURE – panel a; GDFT – panel b). Legend: HR – hear rate; MAP – mean arterial pressure; PPV – pulse pressure variation; IPPV – Volume controlled ventilation; Vt – Tidal volume; PEEP – Positive End-Expiratory Pressure; RR – respiratory rateBack to article page