The most effective way to control oxygen levels is by an arterial blood gas or ABG test. During this test, a blood sample is carried away, generally in the wrist.
This process is very accurate, but it can be a few painful. In addition, an ABG test can be difficult at home, so a person may wish to do an alternative test using a small tool known as a pulse oximeter.
A pulse oximeter is a small clip often put on a finger, although it can also use it on the ear or toe. It measures oxygen indirectly by information intake through a person’s pulse.
Although the pulse oximeter test is quicker and not painful, it is not as accurate as of the ABG test because dirty fingers can influence it, bright lights, nail polish, and poor circulation to the extremities.
For people who wish to buy a pulse oximeter, a range of easy-to-use tools is available online.
I recommend you to read following posts that will help you: Low Oxygen Levels Covid
Pingback: รปภ เชียงใหม่
Pingback: coffee
Pingback: เช่ารถตู้พร้อมคนขับ