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What are Pulse Oximeters?

Pulse Oximetry is a technique designed to measure the blood oxygen level and heart rate. Finger pulse oximeters detect changes in pulse and blood oxygen level, giving you the chance to control the situation. Just clip on the finger pulse oximeter to get the readings in a short while. It is beneficial for patients with COPD, asthma, congestive heart failure, or other health issues. Pulse oximeters provide a painless way to measure oxygen carried by the blood in the body. They are small and lightweight for added convenience. Pulse Oximetry can assist medical professionals in decision-making but cannot be used solely to diagnose the underlying causes. Pulse Oximeters also measure pulse rate. Average pulse rate measurements range from 60-80 beats per minute in adults. While exercising, heart rate may slightly increase, and blood oxygen level may drop, but it should not be less than 90%.

How Does a Pulse Oximeter Work?

A finger pulse oximeter uses infra-red light to detect oxygen in the blood. The equipment is supplied with sensors that measure the gas in the blood based on how the light passes through the finger. The result is then displayed on the screen.

Pulse Oximeters

When are Pulse Oximeters Used?

Pulse oximeters are used in anumber of applications throughout the medical sciences field.
Pulse oximeters are used regularly in all conditions that tend to affect oxygen saturation levels of blood. The most commonly found ones are -
  • Asthma
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Lunge Cancer
  • Pneumonia
  • Anemia
  • Heart Attack
  • Heart Failure

Other situations which require use of pulse oximeters are -
  • During and after surgeries or procedures that use sedation
  • To measure how well a person can deal with increased activity levels
  • To check effectiveness of lung medicines
  • To check whether a ventilator is required for breathing or not
  • To check effectiveness of ventilators
  • To detect Sleep Apnea (situation where a person has moments when they stop breathing in sleep)
  • To check effectiveness of ongoing oxygen therapy

What are normal SpO2 levels?

Values of the pulse oximeters, i.e., oxygen saturation (the amount of oxygen carried by the blood compared to its maximum capacity) may vary when there is a change in the person's activity level throughout the day. To determine your average value, you must check the blood oxygen level 4 to 5 times a day and record the values along with the activities you do before checking.

  • An SpO2 of > or = 95 percent is generally taken as normal.
  • An SpO2 of < or = 92 percent (at sea level) indicates hypoxemia.

A need for oxygen supplementation is indicated in patients with acute respiratory disorders like influenza or an asthma attack if the SpO2 drops below 92 percent. In patients with chronic respiratory diseases like COPD, further investigation or long-term oxygen therapy is recommended if the SpO2 drops below 92 percent.

Pulse Oximeter FAQs

  • How can I determine the accuracy of a pulse oximeter?

    Most pulse oximeters have a visual representation of the pulse intensity as well as a digital display of the pulse. The pulse display should be within three beats per minute of the display on the cardiac monitor. The bar pulse display or pulse waveform must cover half of the total display for an accurate reading. Differences greater than this will not reflect accurate oxygen saturation values because the probe is not detecting the arterial pulsations adequately or accurately. Some newer monitors have integrated the ECG complex with the oxygen saturation probe. In pulse oximeters representing the signal as waveforms the morphology of the waves should be looked at which will point towards the accuracy of the signal pick up by the probe.
  • Are There any side effects of using pulse oximeters?

    There are no known risks or dangers of using pulse oximeters, provided they are used in the correct way intended.
  • Do Pulse Oximeters help detect Corona Virus?

    Pulse Oximeters provide readings of oxygen levels in a person's blood. Most of them also have the ability to read BPM (Heart Rate). When it comes to COVID-19, it is said that most of the cases involve a dip in SpO2 (oxygen saturation) levels in patient's blood. Having a pulse oximeter can help provide early assistance in such cases. If your reading of oxygen saturation falls below 92%, it is highly recommended to contact a healthcare professional.
  • What are the differences between non-medical oximeters & medical oximeters?

    The Non-Medical devices tend to be cheaper than medical options and are also portable. On the other hand, medical devices are intended for heavy use and provide multiple readings than non-medical ones who offer 2-3 readings.

What does HealthProductsForYou offer?

HPFY offers a wide range of oximeters for personal or professional use in hospitals and medical facilities. Buy Pulse oximeters from Respironics, Nonin Medical, Drive Medical, Maxtec and many more reputed Manufacturers to keep track of your health in your day-to-day life with ease and comfort. Buy now to avail attractive discounts!

What are your options in Oximeters?

1. Fingertip Oximeters

Finger Pulse Oximeters are tiny, pocket-size devices weighing a couple of pounds. They display SpO2 (oxygen saturation) and BPM (beats per minute) readings instantly and at the same level of accuracy as large medical devices. They can be used on a vast age range. Below are some of our top picks of Fingertip Oximeters -

2. Handheld Oximeters

Handheld Pulse Oximeters are mainly used for longer durations and continuous monitoring. Unlike finger oximeters, handheld options tend to provide extra readings and also feature alarming systems for when readings fall out of the average limits. You may choose from the below top selling options -


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