That’s why some people may want or need to monitor their oxygen saturation levels at home. It happens to patients both in the hospital and at home, but it is a particular problem in the latter case because the symptom may indicate severe COVID-19-related pneumonia, requiring a ventilator. What’s more, doctors report that some COVID-19 patients suddenly develop a condition called “silent hypoxia,” where people look and feel comfortable-and don’t notice any shortness of breath-but their oxygen levels are dangerously low. The logic is that shortness of breath, a symptom of the disease, may not be easy-or even possible-for a person to reasonably self-assess. Pulse oximeters started to fly off store (and online) shelves when people learned that low oxygen saturation levels can be a sign of COVID-19. It’s an electronic device that clips onto a patient’s finger to measure heart rate and oxygen saturation in his or her red blood cells-the device is useful in assessing patients with lung disease. But, there are other-more surprising-items like yoga mats, yeast, and, more recently, pulse oximeters. There has been a shortage of things one might expect: toilet paper, disinfectant wipes, and thermometers. It’s fair to say that the novel coronavirus pandemic has changed the way people shop-and also the items they shop for.
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