Comparing different types of spO2 sensors: finger clip vs. earlobe sensors

One of the key functions of blood is to supply oxygen throughout our body’s tissues. The red blood cells have a high oxygen affinity to accomplish the function. Therefore, maintaining an adequate oxygen saturation level in the blood is imperative. Otherwise, the oxygen won’t be supplied to the tissues in your body. SpO2 sensor provides an effective way to check blood oxygen saturation levels.

Finger clip vs. earlobe sensors in spO2 sensor: What do you need to know about it?

spO2 sensors offer a non-invasive method to estimate blood oxygen saturation in the body. Due to this, a spO2 sensor has become important clinically. Currently, spO2 sensors are being used in two ways. One is earlobe sensors which are used to take measurements.

It serves as a convenient option for long-term monitoring. On the other hand, SpO2 finger clips have been used as a conventional method to measure blood oxygen saturation on clinical sites.

Here we will have a quick comparison of both types of spO2 sensors for further information. So, here we go:

• Finger clips are more commonly used to have functional spO2 readings. However, these sensors can perform poorly in case of excessive hand movement or poorly perfused digits.
• Earlobe clips are another way to measure spO2 reading in the body. This method is widely adopted if the blood circulation level of a patient is poor in the fingers.
• The earlobe clip is typically placed on the ear’s lobe region. It is an effective option for quick reading.
• However, using a finger sensor can be a better option if consistent reading is required. It is because ear sensor use for longer can lead to an itchy sensation that can further cause restricted blood flow.

What happens during spO2 measurement using finger or earlobe sensors?

Whether using a finger sensor or an earlobe clip, you can have your process as an outpatient. These methods don't require you to stay in the hospital longer. However, how the procedure is performed may vary in your chosen hospital. It will completely depend upon your healthcare provider or the hospital.

In any way, here are a few steps that are followed in each process:

• The attendant or healthcare provider will place a clip-like sensor on your earlobe or finger.
• The probe will then be left for continuous monitoring.
• After the reading, the probe will be removed from your earlobe or finger.

After completing the test, you are all set to go home unless there is no other reason to stay there.

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