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Reply to "Is the COVID-19 "ventilator" a euphemism for polio's "iron lung machine?""
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[quote=Anonymous]Your question doesn’t make a lot of sense to me. No, it’s not a euphemism for the same thing. They’re two different things. Iron lung was the layman’s term for a specific kind of ventilator that encased the body in a metal tube and helped the diaphragm expand through negative pressure. They were also known as negative pressure ventilators or respirators. It was noninvasive. Today’s ventilators are invasive and use positive pressure. You need to be incubated some way, through the larynx or a tracheostomy. There is no large metal encasement, therefore it would make no sense to call today’s ventilators “iron lungs.” [/quote]
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