
VENTILATOR What ventilators do and their role in COVID-19: A ventilator is a device that supports or takes over the breathing process, pumping air into the lungs. People who stay in intensive care units (ICU) may need the support of a ventilator. This includes people with severe COVID-19 symptoms. Trusted Source people received treatment in ICUs. Since then, the demand for ventilators has increased. What do ventilators do? A ventilator is a device that supports or recreates the process of breathing by pumping air into the lungs. Sometimes, people refer to it as a vent or breathing machine. Doctors use ventilators if a person cannot breathe adequately on their own. This may be because they are undergoing general anesthesia or have an illness that affects their breathing. There are different types o...