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Fig. 2 | Annals of Intensive Care

Fig. 2

From: Helmet noninvasive support for acute hypoxemic respiratory failure: rationale, mechanism of action and bedside application

Fig. 2

Helmet interface and circuit set-up for CPAP and NIV. The helmet has a transparent hood and a soft collar that contacts the body at the neck and/or shoulders. It covers the head and neck without making direct contact with the patient’s face and it is fixed around the axillae. At least 2 ports are present, which are usually connected to two separate tubes for inhaled and exhaled gas (double-tube circuit). An antibacterial filter should be placed on the expiratory port

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