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Fig. 1 | Journal of Intensive Care

Fig. 1

From: Evaluation of cough peak expiratory flow as a predictor of successful mechanical ventilation discontinuation: a narrative review of the literature

Fig. 1

Cough peak expiratory flow. Cough peak expiratory flow (CPEF) measures an individual’s maximum speed of expiration during cough and represents the airflow through bronchi and is inversely proportional to the degree of airway obstruction. It is measured by connecting an electronic peak flow meter to the connector of an endotracheal tube

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