Pulse oximeter is used in measuring the level of oxygen in a person's blood. This normally takes about a few seconds and the results will be revealed. Before, getting the level of oxygen in the blood takes a lot of time and can be very dangerous. Since its time consuming, it is not advisable to be done during emergency cases where the person's life is at risk and needs urgent care. Though the traditional method is still done, medical practitioners now opt for the modern pulse oximeter readings.

Since the modern day an oximeter is non-invasive, it is safer so the patient's life is not at risk.  Additionally, pulse oximeter provides faster and more accurate readings that are very useful during times of emergencies. In just a matter of seconds, readings can be made so the physician can easily make diagnosis and the right prescription.

Another advantage that oximeter has is that it is very easy to use that people who don't know how to use them can easily learn how to use them. With this, the for-home use oximeter has been very popular.

Aside for the home use oximeter, there are also now pediatric pulse oximeters that are especially designed for children. They are relatively smaller to fit a child's finger and give better results. If the pulse oximeter used does not fit perfectly, chances are it will yield inaccurate results.

Furthermore, there are now portable pulse oximeters that are useful for other fields as well. People who are always at high altitude like pilots, free divers, and mountain climbers need pulse oximeter to know if their oxygen levels are normal or they need to have supplemental oxygen. Oxygen is integral in one's body and lack of it can be very detrimental to one's health.

However, what most people should know is that an oximeter, like any other medical device also has its limitations. Although it measures the blood-oxygen in record time, there are some cases where the blood should be taken for further studies like when a person suffers from a chronic illness.

In the end though, with all of these advantages, more and more people are looking for the most efficient finger pulse oximeterin the market today. If you are looking for one, you can start by checking the internet for possible sellers. However, before buying one, there are still some factors that you need to consider. These include the following: the type of the oximeter that you will need, the simplicity of the oximeter and your budget.