The video's here, in Italy, show the ventilators used with a bag over the patient's head to create a bubble of positive pressure (and quarantine off their head)

The video's here, in Italy, show the ventilators used with a bag over the patient's head to create a bubble of positive pressure (and quarantine off their head). So presumably in a scenario like this it's less of a problem about 'triggering own breath'. https://news.sky.com/story/coronavirus-they-call-it-the-apocalypse-inside-italys-hardest-hit-hospital-11960597 https://news.sky.com/story/coronavirus-they-call-it-the-apoc...