Fig. 1From: Pulse pressure variation shows a direct linear correlation with tidal volume in anesthetized healthy patientsRespiratory parameters in three setting of VT. # - significant difference 8 ml/kg vs. 6 ml/kg group; $ - significant difference 10 ml/kg vs. 8 ml/kg group; * - significant difference 10 ml/kg vs. 6 ml/kg group RR: respiratory rate; Ppeak: peak airway pressure; Pmean: mean airway pressure; PetCO2: End-tidal carbon dioxide partial pressureBack to article page