Selecting Finger pulse oximeter means you need to ask a few basic questions. A Finger Pulse-Oximeter detects your oxygen saturation level in blood as well as heart rate. It helps to get an elementary assessment of the oxygen-carrying capacity of a patient’s blood, in the event of patients coming with breathlessness, asthma, and other respiratory disorders or an emergency where a person may have stopped responding, become unconscious, etc.
Selecting Finger Pulse Oximeter
The need for more and more medical tools to monitor vital signs at home is on the increase as the general population in the United States is aging. It is a great tool to use as part of your daily routine. Anyone, active or not, should use a pulse oximeter to monitor their everyday use of oxygen during their activities.
To select the best pulse oximeter, few factors need to be considered. First, you have to consider the oximeter type; it should be smooth and user-friendly. While using, you wouldn’t have any trouble reading on your own even if you don’t have any medical background. It is also essential to look for more detail about the oximeter you’re trying to purchase online. There are many review articles and tutorials widely available on the internet that can be of great help in this regard.
Ultimately, it would help if you also searched for a budget-friendly oximeter. If you only need it for infrequent readings and tracking, then purchasing the cheaper ones is all right. Though, if you are going to use it regularly or if you have low blood circulation, it is best to invest in more accurate readings with high-quality pulse oximeters that are available in the market.
However, it cannot measure everything in your blood. For example, it will not be able to tell if you have carbon monoxide in your bloodstream and instead combine the two measurements as one.
Limitations Of The Device
No piece of technology is 100 percent reliable, unfortunately, and the pulse oximeter does have some limitations. There are several situations where you might get inaccurate readings:
You have a low peripheral pulsatile blood flow. That could be due to hypotension, cold, cardiac failure, or other cardiac arrhythmias. It will lead to a weak signal for analysis. If you do not clip it on correctly, you can get a lower reading than expected. If that’s the case, readjust and measure again.
Bright overhead lights. Yes, seriously. If you are taking your measurement where you have powerful overhead lights, like at an operating theater, you can get an inaccurate reading. Significant movement or shivering could make it hard for your meter to pick up a good signal.
Wearing nail polish or press-on nails can lead to false low readings. Make sure to take your text without either. Dark skin pigmentation can give over-estimated blood oxygen saturation levels. If possible, try to find an area with a lighter skin tone.
With that said, in ideal situations, it can provide readings within 2% of your actual saturation levels. An average saturation level is between 95 to 99 percent, though this can vary depending on the person. It is a good idea to have your levels checked first by your doctor before purchasing a home device so that you have a better idea of your baseline.