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Pulse oximeter

Pulse oximeter

At a healthy level, human blood must have an oxygen saturation level (Sp02) of between 95 – 100%. Measuring as low as 92% is cause for concern, and means you will need extra oxygen at the hospital. Here at CPR-Help, you can find pulse oximeters that help measure oxygen saturation levels in the blood. This allows you to quickly and easily check a person’s health status, whether or not they are conscious. Pulse oximeters are very easy to use. The oximeter is attached to the finger, after which it starts measuring both the blood oxygen saturation level and heart rate (bpm) in order to quickly provide an answer regarding the subject’s health status.

Non-invasive measurement of oxygen saturation and heart rate 

A pulse oximeter:


is a medical measuring device. Anyone could need it, and it can easily fit inside a first aid kit thanks to its small size. Pulse oximeters use a non-invasive method to measure heart rate and oxygen saturation without piercing the skin. Instead, the device is clipped onto the fingertip to take the measurement. The fact that the device is non-invasive also makes it entirely painless to use.

Pulse oximeters function by shining two different wavelengths of light, one red and one infrared, through the body part in question, which is usually the finger. A receiver then picks up the light signals. This allows for the oxygen saturation level and heart rate to be measured. The pulse oximeter can read how much of the different lights have been absorbed on and between the pulse beats. 



When to have a pulse oximeter at hand

Pulse oximeters are good to use for patients suffering from various lung diseases, such as COPD or chronic bronchitis. These individuals can also keep a pulse oximeter at home to measure their health condition themselves. By storing a pulse oximeter at workplaces and public places, many people can get help quickly. People with poor blood oxygen saturation can use a pulse oximeter several times a day to monitor their health.

It is not only in emergency situations and for health monitoring that a pulse oximeter can be used. It’s also good to have on hand if you perform various activities at a height, such as climbing, hiking or exercising at heights. The device is easy to use and it only takes a few seconds to obtain a result.

When using a pulse oximeter, it is important to be aware that nail polish and loose nails can affect the measured value and can give an unreliable result. Surrounding light, such as strong fluorescent lamps, can do the same, as the pulse oximeter can absorb this light. If a pulse oximeter needs to be used on a newborn, a device other than the one used for adults is needed.



Worth the investment

A pulse oximeter is a great investment. It is used for emergency care by elite athletes and by chronically ill people and should be included in first aid kits. It’s a small device that does not require much space and has a long service life. The only thing you need to do is to make sure to change the batteries on your portable heart rate monitor. 

It’s also a good idea to clean it after each use to keep it hygienic.