What is a pulse oximeter, and does the coronavirus pandemic mean you need one? - The Washington Post
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Pulse ox' could give early warnings of COVID-19 - Times Gazette
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Using Oximeter Reading to Detect Breathing Problems, Test Oxygen Level SpO2 - YouTube
COVID: Are pulse oximeters inaccurate for Black and Hispanic patients? | CTV News
Pulse Oximeter showing a low 88% oxygen reading and 69 heart rate against white background Basic medical tools for health workers during the pandemic Stock Photo - Alamy
Coronavirus Pneumonia Can Be Detected Via an Over-the-Counter Oximeter