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. 2018 Sep 17;8:89. doi: 10.1186/s13613-018-0436-0

Fig. 2.

Fig. 2

Schematic of the system set-up. The CL-FNE combined a PI regulator for fluid and a FL regulator for NE. Several conditional rules were included to mimic the physician decisions. The algorithm needed three variables: systolic arterial pressure, systolic arterial pressure error and time. During resuscitation, it calculates the ratio of fluid volume/norepinephrine to adapt therapy