It’s fair to say that the novel coronavirus pandemic has changed the way people shop—and also the items they shop for. There has been a shortage of things one might expect: toilet paper, disinfectant wipes, and thermometers. But, there are other—more surprising—items like yoga mats, yeast, and, more recently, pulse oximeters.
So, what, exactly, is a pulse oximeter?
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. 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, according to Yale Medicine.
Funny you should ask.
The pulse oximeter pictured here is a neat little gadget that Costco is selling. As you can see from the picture, it monitors your Heart Rate (pulse), Oxygen Level and your Blood Flow. In sum, very useful information provided in a matter of seconds with no penetration of your flesh. There is even a cool graph of your heart beat on the screen. In this period of wearables, the Pulse Oximeter is reminiscent of the first cell phones. But, you can feel like a camp counselor and wear it around your neck using the attached lanyard.
Before I go into explanations and specifications, I want to disclose that I bought one of these and have been using it for a week now. Love it! It is particularly useful when I am stair climbing. I like to get a handle on how my heart rate accelerates on…
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