Positive stress ventilation any of numerous kinds of mechanical ventilation in which gasoline is delivered to the airways and lungs below beneficial tension, generating constructive airway pressure during inspiration; it could be accomplished by using either an endotracheal tube or maybe a nasal mask. See also ventilator. substantial-frequency percussive ventilation https://ventilationinstallation45677.vidublog.com/36478870/the-2-minute-rule-for-ventilation