Fig. 5From: Carotid blood flow changes following a simulated end-inspiratory occlusion maneuver measured by ultrasound can predict hypotension after the induction of general anesthesia: an observational studyGray zone for ΔFTc. The purple and brown lines indicate specificity and sensitivity, respectively. The gray zone indicates the inconclusive range of measurement values. ΔFTc, changes in corrected carotid flow time by sEIOTBack to article page