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Fig. 1 | Respiratory Research

Fig. 1

From: Comparison of airway pressures and expired gas washout for nasal high flow versus CPAP in child airway replicas

Fig. 1

Schematic of CPAP therapy with arrows indicating the flow direction of air. (Arrow 1) Flow of gas (air or air/oxygen mixture) provided by the CPAP machine. (Arrow 2) Flow of gas that exits the expiratory port on the supply tube. (Arrow 3) Cyclic flow of gas from the patient during inspiration and expiration. (Arrow 4) Backflow of air that may occur during expiration at high flow rate. (Arrow 5) Flow of air out of the mask when leaks exist between the mask cushion and face. CPAP continuous positive airway pressure

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Respiratory Research

ISSN: 1465-993X

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