Optimistic strain ventilation any of numerous types of mechanical ventilation through which fuel is sent in to the airways and lungs under positive strain, generating good airway tension during inspiration; it could be performed through either an endotracheal tube or simply a nasal mask. See also ventilator. The danger: Airborne https://rowanvmbjg.boyblogguide.com/36418054/5-simple-techniques-for-ventilation-ductwork