@jerrynord -- That is a good question and I think all of the health care folks are trying to think out of the box to get us through the COVID-19 crisis. I think it has been talked about. Here's what I have found.

March 26, 2020:
FDA authorizes CPAP machines and more as emergency ventilator alternatives
-- https://www.fiercebiotech.com/medtech/fda-authorizes-cpap-machines-more-as-emergency-ventilator-alternatives

March 27, 2020 Articles:
Not So Fast Using CPAPs In Place Of Ventilators. They Could Spread The Coronavirus.
-- https://khn.org/news/covid19-ventilator-shortage-substituting-cpaps-could-spread-coronavirus/

CPAP Machines Were Seen As Ventilator Alternatives, But Could Spread COVID-19
-- https://www.npr.org/sections/health-shots/2020/03/27/822211604/cpap-machines-were-seen-as-ventilator-alternatives-but-could-spread-covid-19

As a CPAP user I would worry about the downside if I were tested positive which is why I'm trying to follow all of the guidelines as best I can. How about you? Do you use a CPAP machine?