pulse oximeter

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작성자울트레인 조회 6회 작성일 2020-11-24 12:02:12 댓글 0


Pulse Oximeter - How to Use? How does Pulse Oximetry Work? | Respiratory Therapy Zone

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Read Our Full Pulse Oximeter Reviews http://bit.ly/2qwUJH6


What is a Pulse Oximeter?

A Pulse Oximeter is a device that is used to quickly and easily monitor a person’s oxygen saturation. This means that is can measure the level of oxygen within the blood, specifically in arterial blood without using any invasive means.

Read Our Full Pulse Oximeter Reviews http://bit.ly/2qwUJH6

How Does a Pulse Oximeter Work?

Pulse oximeters work on a simple but brilliant principle. Blood absorbs light, and there’s a distinct difference between the wavelengths that go through oxygenated and de-oxygenated blood.

The finger clip of a pulse oximeter consists of a transmitting light source that emits a broad spectrum of light. On the other end, there’s a receiver that measures how much light passes through.

The diode on the receiving end is capable of detecting the wavelength of light. The internal circuits and processing components of the pulse oximeter do some calculations as well.

The device has to compensate for the ambient light, finger size, and the absorbance of the rest of the tissues.

There’s a reference curve saved in the memory of the device to calibrate the incoming readings and normalize them. This increases the precision of the results that it provides.

What Does a Pulse Oximeter Measure?

Pulse Oximeters measure the percentage of arterial oxygen primarily. In more precise terms, this is the amount of oxygen carried on blood hemoglobin. It’s known as SpO2.

Heart rate (HR) is automatically calculated alongside the percentage of oxygen.

HR and SpO2 complement one another, and clinicians find this double parameter readout quite informative.

How to Use a Pulse Oximeter?

Using a pulse oximeter is quite simple. You clip it on the middle right finger, a toe, or an earlobe. Some models are surface probes that you can attach to the forehead or chest.

Which Finger Is Best for a Pulse Oximeter?

The verdict came out that the middle finger of the right hand gives the best accuracy. The thumb of the same hand follows.

What are the Risks of Pulse Oximetry?

Thankfully, there aren’t any risks or dangers of using a pulse oximeter. The biggest concern is making sure that the device is giving an accurate reading.

What are the Normal Ranges for a Pulse Oximeter?

Heart rate – 60-100 beats/min
Oxygen Saturation – 95-100%


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Medicine and Respiratory Therapy are continuously changing practices. The information in this video is for educational and entertainment purposes only. For medical advice, please consult with a physician or qualified medical professional.

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How To Use A Pulse Oximeter Correctly | Medicover Hospitals

How to use a Pulse Oximeter.

What is a pulse oximeter?

A pulse oximeter is a device which is used to measure oxygen saturation levels (spo2 levels) / oxygen levels in the blood. The pulse oximeter gives out two readings which are of oxygen levels and pulse rate.
In this video the usage of a fingertip pulse oximeter at home is demonstrated. You can measure your oxygen levels and pulse rate within the confines of your home by using a fingertip pulse oximeter at home.

What happens when oxygen levels drop below the normal oxygen level in the body?

It is very important for the oxygen levels in the body to be in normal range. The proper functioning of the body depends on oxygen which is carried by blood to all the cells in the body. When the oxygen levels in the body drop, the functioning of various organs like the brain, heart and kidneys can get affected. The condition of low oxygen levels in the body is called hypoxemia.

Importance of fingertip pulse oximeter in the times of covid19

According to medical experts, low oxygen levels are registered in coronavirus patients. So, it is important to monitor the oxygen levels in the blood to detect covid pneumonia in the early stage. COVID pneumonia is a deadly condition seen in severe covid cases.
But a pulse oximeter cannot be trusted solely to detect coronavirus. Low oxygen levels can be a symptom various other conditions as well.

What is the normal oxygen level reading?

You can find the normal pulse oxygen level readings here 0:49

When the oxygen levels drop below the ideal oxygen level readings, it is a cue to consult a doctor.
This video also lists out the steps to be followed before using a pulse oximeter. Watch the video to know more

#PulseOximeter #NormalOxygenLevels

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Clinical Skills: Pulse oximetry

What is pulse oximetry? Pulse oximetry is a non-invasive, easy way to measure the amount of arterial oxygenation (Sa02) in a patients who are hypoxic or have pulmonary problems that may affect their gas exchange.
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