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Respiratory Diseases

Doctor Decoded: What Is a Ventilator?

Lauren Smith, MAMera Goodman, MD, FAAP
Written by Lauren Smith, MA | Reviewed by Mera Goodman, MD, FAAP
Updated on September 12, 2025
Reviewed by Mera Goodman, MD, FAAP | September 12, 2025

Mechanical ventilators have played an important role in the treatment of COVID-19 patients. Early in the pandemic, a major concern was making sure that hospitals had enough ventilators to assist the sudden influx in patients. As the pandemic has progressed, many people mistakenly believe that these machines are the same as a simple oxygen mask — but this is far from true.

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Dr. Mera Goodman is a board-certified pediatrician. Prior to medicine, she worked as a management consultant.

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