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Fig. 1 | Critical Care

Fig. 1

From: Expiratory flow limitation in intensive care: prevalence and risk factors

Fig. 1

Flow-volume curves of a representative patient aimed to determine the level of PEEP able to eliminate the presence of EFL (PEEP-EFL). a Until the subtraction of 4 cmH2O of PEEP the expiratory flow did not increased: the patient was considered flow limited at 4 cmH2O of PEEP. b Subtraction of 6 cmH2O of PEEP increased the expiratory flow. c Subtraction of 8 cmH2O increased the expiratory flow more than after the subtraction of 6 cmH2O of PEEP. The PEEP-EFL was 5 cmH2O. See text for further explanation

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Critical Care

ISSN: 1364-8535