
Exhaled Air Dispersion During Noninvasive Ventilation via Helmets and a Total Facemask
Keywords: کارمند بهداشتی; ACH; air changes per hour; A(H1N1); pandemic 2009 influenza A(H1N1); EPAP; expiratory positive airway pressure; HCW; health-care worker; HPS; human patient simulator; IPAP; inspiratory positive airway pressure; NIV; noninvasive ventilation; SARI; severe a