TED-Ed: How do ventilators work?

The video explores the history and development of mechanical ventilation, starting with Andreas Vesalius's early description in the 16th century. It explains the respiratory system's function and how conditions like sleep apnea, asthma, and pneumonia can disrupt it. Mechanical ventilators are introduced as life-saving devices that assist when natural breathing is compromised. The evolution from negative to positive pressure ventilation is discussed, highlighting the limitations and advancements of each method. The video concludes with the challenges faced by modern ventilators, especially during emergencies like the COVID-19 pandemic, emphasizing the need for more accessible and efficient technology.

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