{"id":15770,"date":"2020-10-02T09:00:13","date_gmt":"2020-10-02T13:00:13","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=15770"},"modified":"2020-10-01T16:35:53","modified_gmt":"2020-10-01T20:35:53","slug":"pulse-oximeter","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/pulse-oximeter\/","title":{"rendered":"Should you buy a pulse oximeter?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">When the <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/news\/coronavirus-update\/\"><span style=\"font-weight: 400;\">COVID-19 pandemic<\/span><\/a><span style=\"font-weight: 400;\"> hit earlier this year, many people were left scrambling to refresh their first aid kits, ensuring they had everything they needed\u2014just in case. As items like thermometers and Kleenex sold out nationwide, another little-known medical gadget began gaining attention: the pulse oximeter.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Patients with histories of respiratory illness, such as <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/pneumonia-treatment-and-medications\"><span style=\"font-weight: 400;\">pneumonia<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/copd-treatment-and-medications\"><span style=\"font-weight: 400;\">chronic obstructive pulmonary disease (COPD)<\/span><\/a><span style=\"font-weight: 400;\">, are likely familiar with the clamp-like monitor that detects oxygen saturation levels in the blood. And though pulse oximeters are typically used in a medical setting, many manufacturers also make versions for at-home use.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But do you really need a pulse oximeter for your own first aid kit? Here\u2019s what you need to know about the device if you\u2019ve been thinking about purchasing one.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">What is a pulse oximeter?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A pulse oximeter is a small monitor placed on the fingertip (or sometimes the earlobe) that measures the amount of oxygen in your blood. It does so non-invasively (meaning there\u2019s no need for a needle poke and blood draw). Essentially, the device works by measuring light and color, says <\/span><a href=\"https:\/\/www.mountsinai.org\/profiles\/aloke-chakravarti\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Aloke Chakravarti<\/span><\/a><span style=\"font-weight: 400;\">, MD, a pulmonologist at Mount Sinai Hospital in New York.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cIt\u2019s shining an LED light through the nail bed and it&#8217;s detecting a pulsatile flow,\u201d he explains. \u201cBasically it&#8217;s trying to detect the blood flow through the artery. And then as it does that, it measures the changes in absorption of the light. It is an estimate of how much of that blood has oxygen attached to the hemoglobin molecule. It is an estimate of an estimate.\u201d\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The resulting readout displays your heart rate (pulse) in beats per minute, the level of oxygen saturation in a percentage, and what\u2019s called plethysmography, which is a visual representation of the pulse rate itself. A \u201cnormal\u201d pulse-ox reading, according to Dr. Chakravarti, is between 95% and 100%.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cBelow 90% is when we can start to worry the lungs are not oxygenating the blood effectively enough,\u201d <\/span><span style=\"font-weight: 400;\">adds <\/span><a href=\"https:\/\/www.linkedin.com\/in\/andrewjsauermd\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">Andrew J. Sauer<\/span><\/a><span style=\"font-weight: 400;\">, MD, a cardiologist, and heart failure therapies <\/span><span style=\"font-weight: 400;\">innovator in Kansas City, Missouri.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How to use a pulse oximeter<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">While there is no \u201cright\u201d or \u201cwrong\u201d finger to put the pulse oximeter on, says Dr. Chakravarti, you do want to make sure it\u2019s one that doesn\u2019t have nail polish or artificial nails (which block the monitor\u2019s LED light) and one that isn\u2019t particularly cold (which would indicate poor circulation and could prevent an accurate reading). You\u2019ll also want to be sitting still while using the device and watch the plethysmography to make sure it is, in fact, picking up your pulse. Once you\u2019ve confirmed that, you can then read the blood oxygen saturation.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Who needs a pulse oximeter? Should I get one?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Historically, pulse oximetry has typically been conducted in a hospital or doctor\u2019s office in order to monitor patients with respiratory illnesses, such as pneumonia, COPD, or lung elasticity issues. Rarely has it been recommended for home use (even for people with chronic lung diseases). That changed with coronavirus (COVID-19).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cThis is something new,\u201d says Dr. Chakravarti. \u201cThe reason why this recommendation was put in place was during the height of the pandemic, there were no hospital beds and the emergency rooms were overflowing. People were diagnosed with COVID and then sent home. The purpose of the pulse oximeter was nothing more than to be an early warning of oxygen saturation dropping.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some COVID-19 patients were unable to detect low oxygen levels on their own due to a phenomenon called <\/span><a href=\"https:\/\/respiratory-research.biomedcentral.com\/articles\/10.1186\/s12931-020-01462-5\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">\u201chappy hypoxemia,\u201d<\/span><\/a><span style=\"font-weight: 400;\"> during which patients don\u2019t experience expected symptoms such as shortness of breath. In situations like this, a pulse oximeter could provide vital feedback.\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dr. Chakravarti stresses that patients with COVID-19 should consult with their healthcare provider about whether an at-home pulse oximeter is right for them:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cIt\u2019s a conversation between you and 1) the doctor who has seen you in the hospital and is saying you&#8217;re okay to go home and 2) the doctor who is going to follow you in the outpatient setting. Both need to be comfortable that it&#8217;s reasonable for you to go home and use this and that this early warning system is right for you.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You should also develop a plan of action with your healthcare provider for what to do if your blood oxygen levels drop dangerously low (e.g., if your level drops to 93%, go to the emergency room, stat). After all, the reading is only as useful as your (and your provider\u2019s) response to it.\u00a0<\/span><br \/>\n<span style=\"font-weight: 400;\">For people without COVID-19 or other relevant medical conditions, many medical professionals don\u2019t recommend an at-home pulse oximeter.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cGenerally speaking, for most patients, this is not worth buying,\u201d Dr. Sauer says.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How to save on fingertip pulse oximeters<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Pulse oximeters range in price based on the number of bells and whistles. The cheapest ones are usually around $16 to $20, with high-end ones\u2014boasting features like Bluetooth compatibility\u2014topping out at a few hundred dollars. Drug stores and pharmacies like CVS, Walmart, and Walgreens carry them, as does Amazon (which has a number of options in the high teens and low twenties dollar range). Check with your insurance to see if at-home pulse oximeters are covered by your insurance. Either way, you can use an HSA or FSA to pay for it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You may be able to <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/pulse-oximeter-for-finger\"><span style=\"font-weight: 400;\">save money on a pulse oximeter by using your SingleCare card<\/span><\/a><span style=\"font-weight: 400;\">. SingleCare is not a form of insurance, but rather a prescription discount card free for all U.S. pharmacy customers. Simply search the SingleCare site for discounts on pulse oximeters, ask your doctor to write you a script for it, and then present your card to the pharmacist when you drop off the prescription to receive those savings.\u00a0 <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When the COVID-19 pandemic hit earlier this year, many people were left scrambling to refresh their first aid kits, ensuring they had everything they needed\u2014just in case. As items like thermometers and Kleenex sold out nationwide, another little-known medical gadget began gaining attention: the pulse oximeter.\u00a0 Patients with histories of respiratory illness, such as pneumonia [&hellip;]<\/p>\n","protected":false},"author":94,"featured_media":15991,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[14636],"coauthors":[8215],"class_list":["post-15770","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wellness","tag-coronavirus","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Should you buy a pulse oximeter?<\/title>\n<meta name=\"description\" content=\"Pulse oximeters were rarely recommended for at-home use, but coronavirus changed that. 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