Fig. 1From: Cerebrovascular pressure reactivity and brain tissue oxygen monitoring provide complementary information regarding the lower and upper limits of cerebral blood flow control in traumatic brain injury: a CAnadian High Resolution-TBI (CAHR-TBI) cohort studyThe relationship of brain tissue oxygenation (PbtO2) versus cerebral perfusion pressure (CPP) is seen in (A). In B, this relationship is examined when cerebrovascular pressure reactivity is intact (green) as compared to when it is disrupted (red). Note that 95% confidence intervals for all tracings are shown in greyBack to article page