Opinion | Coronavirus Is Killing Silently. Here's How to Treat It Before It's Too Late - The New York Times

This is what I learned during 10 days of treating Covid pneumonia at Bellevue Hospital.

“ “There is a way we could identify more patients who have Covid pneumonia sooner and treat them more effectively — and it would not require waiting for a coronavirus test at a hospital or doctor’s office. It requires detecting silent hypoxia early through a common medical device that can be purchased without a prescription at most pharmacies: a pulse oximeter.

Pulse oximetry is no more complicated than using a thermometer...