Assessing Covid-19 Symptoms: All You Need to Know About the Wellue Oxysmart™ Pulse Oximeter

Assessing Covid-19 Symptoms: All You Need to Know About the Wellue Oxysmart™ Pulse Oximeter

The ongoing battle with the global spread of the novel COVID-19 has highlighted and revived the crucial role of innovative tools that could help detect symptoms before the clinical condition worsens. The COVID-19 pandemic has therefore led to an influx of demand for home monitoring instruments, especially pulse oximeters, as one of the clinical concerns with acquiring a COVID-19 infection is its respiratory effects. Walk away today knowing how Wellue helps you understand the relationship between the Pulse Oximeter and COVID-19.

Severe COVID-19 infections can affect respiratory function, particularly oxygenation. The virus affects the lung and hence decreases its capacity for oxygen absorption. Pulse oximetry, to solve this challenge, reflects relevant information on breathing parameters. Assessing an individual’s blood oxygen saturation (SpO2) can help control the progress of the COVID-19 disease.

And there’s more.

How Pulse Oximeters Work: Detecting Blood Oxygen Levels

Pulse oximeters are useful for people with mild initial symptoms who are, most times, sent home to manage their symptoms. The home pulse oximetry readings can accurately reflect important clinical insight into respiratory deterioration. The blood oxygen level of a person infected with the novel coronavirus may be lower than average during the early stages. This condition is known as hypoxia. The more severe the infection, the lower the oxygen saturation reading will be. Their clinical status can immediately deteriorate, and they can eventually manifest with shortness of breath, which leads to higher mortality rates. Here, the pulse oximeter comes to the rescue, with its ability to detect low blood oxygen levels before the onset of severe symptoms. 

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Wellue OxySmart™: An Excellent Pulse Oximeter

A pulse oximeter like the Wellue OxySmart™ is built to fit with your fingertips or toes. It comprises light-emitting diodes (LEDs) and a light sensor. The LEDs and light sensor catch blood from blood vessels when you connect the oximeter to the tip of your finger. This enables the apparatus to calculate the proportion of the blood that is carrying oxygen in seconds. The oximeter also has a display displaying the SpO2 rate and a pulse wave, which is the pulse rate. You can use this to assess the amount of oxygen required and when exactly you would need it.

Other features of the Wellue OxySmart™ pulse oximeters include recording the corresponding

  • pulse rate
  • heart rate,
  • perfusion index, and
  • movements of a person.

Knowing these health parameters, especially SpO2, can be helpful. The National Institute of Health (NIH) advises oxygen saturation levels of 92–96%. Values below this range imply a severe case of COVID-19 infection, which may demand immediate hospitalization for timely oxygen supplementation and round-the-clock care. It is at this point that the data collected from a Wellue OxySmart™ becomes life-saving.

The use of such equipment by healthy persons and patients with mild COVID-19 symptoms cannot help to determine whether hospitalization is a necessity. You can however monitor your clinical status even at home since the devices can automatically assess your condition.

Merits of the Wellue OxySmart™ Pulse Oximeter

  • It is FDA-approved
  • This pulse oximeter can monitor oxygenation remotely, continuously, and does not pose a threat to your privacy.
  • It gathers data in real-time which it then uploads seamlessly to a mobile, tablet, or computer app, which you can see, and, as easily, share with a health care provider. This makes for a smoother and enjoyable online consultation experience for you.
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Remote oxygen screening will help prevent premature and needless hospital admissions while optimizing the use of in-person healthcare.

How to Measure Oxygen Saturation?

  • Turn the unit on with the power button. If it does not come on, inspect the batteries.
  • Position the unit on a finger and wait for numbers to show up.

Note: Observe the manufacturer’s instructions for disinfecting and cleaning pulse oximeters. You should also disinfect the unit with an antiviral wipe both before and after each use.

Besides SpO2, the unit can also display heart rate and the waveform of the pulse. This can be helpful, because it takes more accurate readings when pulse waves are more distinct.


In all, pulse oximeter readings do not show the extent of the disease process. Thus, should you encounter any associated signs of COVID-19, still seek more medical examination. It would definitely be a bad idea to use this system only to diagnose diseases such as COVID-19, COPD, influenza, asthma and other conditions that involve a failure of, or a drop in oxygen supply. You can always use pulse oximeter instruments to track your current health status easily. It is also an excellent tool for determining the consistency of your health and a warning device that can help you better understand your health insights.

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