![]() ![]() In fact, he said, "recent clinical reports reveal that patients with COVID-19 may have significant oxygen desaturation-less than 8%-and yet appear conversant, and not breathless. Len Horovitz said the intensity of breathlessness can vary widely between patients. Severe shortness of breath is one key indicator that a person who's at home with COVID-19 might need to head to the ER. Levitan suggested the devices might provide people stuck at home with COVID early warning that hospital treatment was required. ![]() He saw that COVID-19 patients who didn't feel out of breath had falling oxygen levels. Levitan, who works in Littleton, N.H., volunteered for 10 days at New York City's Bellevue Hospital recently. Sales spiked especially after the New York Times published an op-ed article by ER physician Dr. 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.Īccording to one recent report from CNN, by last Friday pulse oximeters were already sold out on websites of major drugstore chains CVS and Walgreens. How? Just clip the device onto a patient's finger for a reading.Ī healthy blood level of "oxygen saturation" normally measures 95-100% on a pulse oximeter, and readings lower than 90% are considered dangerously low. That's because they perform a critical function, measuring the concentration of oxygen in the blood.
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