HealthDay Reports: What Is a Pulse Oximeter, and Should You Get One to Warn of COVID-19?

Pulse oximeters — which measure the concentration of oxygen in the blood — have been selling out online. The reason? People think they could help act as early warning devices for severe COVID-19.

What Is a Pulse Oximeter, and Should You Get One to Warn of COVID-19?

TUESDAY, April 28, 2020 (HealthDay News) -- Even though many Americans might not even know what pulse oximeters are, the tiny devices are flying off pharmacy shelves as high-risk folks worry about COVID-19.

That's because they perform a critical function, measuring the concentration of oxygen in the blood. How? Just clip the device onto a patient's finger for a reading.

A healthy blood level of "oxygen saturation" normally measures 95-100% on a pulse oximeter, and readings lower than 90% are considered dangerously low.

With shortness of breath a key symptom of severe COVID-19, many people are buying pulse oximeters as "early warning" devices to track their blood oxygen levels, in case they require supplemental oxygen in a hospital.

According to one recent report from CNN, by last Friday pulse oximeters were already sold out on websites of major drugstore chains CVS and Walgreens.

Read the full HealthDay story.

HealthDay Now: The State of Mental Health and Post-COVID Stress Disorder

Watch our latest HealthDay Now to hear about the state of mental health and why many people fear returning to their social and work lives.

HealthDay's Mabel Jong spoke to Dr. Vivian Pender, president of the American Psychiatric Association, and Sherry Amatenstein, a social worker and therapist who has been dealing with these anxieties herself.

Watch the in-depth discussion above, and see our past HealthDay Nows and other videos on our YouTube channel.

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One year in, this is their "new normal," but what does that mean for them? From social isolation to remote learning to a loss of structure and normalcy, we discuss how living during the pandemic has both short- and long-term effects on children.

Mabel Jong from our liveblog team speaks with:

Dr. Mark Reinecke, Department of Psychiatry & Behavioral Sciences, Northwestern University
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