Over the last decade a number of studies have been reported that have used heart–lung interactions during mechanical ventilation to ... pulse pressure variation (PPV) derived from analysis ...

AFD said positive pressure ventilation (PPV) was employed to clear smoke from the structure once the fire was under control. Additionally, firefighters secured utilities and inspected the attic ...

AFD says Positive Pressure Ventilation (PPV) was used to clear the smoke from the structure after the fire was brought under control. Crews also secured utilities and checked for fire extension ...