Figure 4From: Re-thinking resuscitation: leaving blood pressure cosmetics behind and moving forward to permissive hypotension and a tissue perfusion-based approachBedside considerations of macrocirculatory versus tissue perfusion-based resuscitation endpoints. Hb, hemoglobin; PaO2, arterial partial pressure of oxygen; SaO2, arterial oxygen saturation; StO2, tissue (muscle) oxygen saturation.Back to article page