Pulse Oximeter

RossMax
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Product Overview

An oximeter is a medical device used to measure the oxygen saturation level in a person's blood, as well as their heart rate. The most common type of oximeter is the pulse oximeter, which is non-invasive and easy to use.

How does it work? A pulse oximeter typically consists of a small clip-like probe that is placed on a fingertip, earlobe, or other areas where blood flow can be measured. The probe emits light, usually a combination of red and infrared light, into the skin. The oxygenated and deoxygenated hemoglobin in the blood absorbs the light differently.

Oxygenated hemoglobin absorbs more infrared light and allows more red light to pass through, while deoxygenated hemoglobin absorbs more red light and allows more infrared light to pass through. The pulse oximeter measures the amount of light absorbed and calculates the oxygen saturation level in the blood.

What does it measure? The main parameters measured by a pulse oximeter are:

  1. Oxygen Saturation (SpO2): This is expressed as a percentage and represents the proportion of oxygenated hemoglobin compared to the total hemoglobin in the blood. A normal SpO2 level is typically considered to be between 95% and 100%.

  2. Heart Rate (Pulse Rate): The pulse oximeter also measures the heart rate in beats per minute (BPM). It does so by detecting the pulsations caused by the heartbeat.

When is it used? Pulse oximeters are commonly used in various healthcare settings, including hospitals, clinics, and homes. They are particularly valuable in situations where monitoring oxygen levels and heart rate is crucial, such as:

  • Monitoring patients with respiratory conditions like chronic obstructive pulmonary disease (COPD), asthma, or pneumonia.