What causes inaccurate oxygen saturation readings?

Be aware that multiple factors can affect the accuracy of a pulse oximeter reading, such as poor circulation, skin pigmentation, skin thickness, skin temperature, current tobacco use, and use of fingernail polish.

Can a pulse oximeter be inaccurate?

But pulse oximeters aren’t always accurate. According to the FDA, there are a number of factors that can affect accuracy, including poor circulation, skin thickness, smoking, and even fingernail polish. What’s more, a recent report suggests that your reading may not be as accurate if you have darker skin, too.

Why does my oximeter fluctuate?

Fluctuating oxygen levels could be caused from an inaccurate reading in your monitor but if it is accompanied with a change in how you’re feeling and noticeable symptoms then this is something to bring up to your doctor.

Is it normal for o2 to fluctuate?

It’s possible (and perfectly natural) for your SpO2 to change throughout the day, particularly if you’re transitioning from low-energy to high-energy activities. However, as long as your SpO2 stays within a healthy range amidst these fluctuations, there’s no need for concern.

Is it normal for pulse ox to fluctuate?

Oxygen levels fluctuate and home pulse ox monitors may lose connection or momentarily read incorrectly. If you do have to continuously monitor at home you will likely receive additional info from your child’s care team . For everyone else, ask your child’s doctor how long and how often to use your pulse ox.

Why do oxygen levels fluctuate?

Blood oxygen levels can fluctuate based on several different factors like chronic disease, high altitudes, or illness. Some of the more common risk factors or causes of low blood oxygen levels include: Altitude changes, especially high altitude. Sleep apnea.

Is 93 a bad oxygen level?

Your blood oxygen level is measured as a percentage—95 to 100 percent is considered normal. “If oxygen levels are below 88 percent, that is a cause for concern,” said Christian Bime, MD, a critical care medicine specialist with a focus in pulmonology at Banner – University Medical Center Tucson.

Does SpO2 drop with Covid 19?

As a good rule of thumb, a person with COVID-19 monitoring his or her clinical status at home will want to ensure that the SpO2 reading stays consistently at or above 90 to 92\%. If the number consistently drops below this threshold, timely medical evaluation is warranted.