Pulse oximetry is the method by which the level of saturation of oxygen gas in the blood is monitored. The device used to do the monitoring process is referred to as a recording pulse oximeter. The sensor must be pinned across a thin organ. In adults earlobes or fingertips are the best while in infants feet or hands can do. The percentage of blood hemoglobin loaded with oxygen is monitored and displayed on the screen.
Good gadgets have in-built alarms. The alarms alert users when the level of oxygen in blood falls below a specific level by generating audible sound. This feature is very vital particularly at night when one is sleeping. Individuals with impaired or poor eyesight or problems with mobility also benefit from alarm systems.
The functioning of an oximeter is very simple and is mainly based on difference in absorption of light. The device has a processor and a pair of LEDs, which face a photodiode. The photodiode is normally separated from the LED by a translucent body part like an earlobe. One LED is red in color at 660nm wavelength while the other one is infrared at a wavelength of 940nm. At such wavelengths, absorption of light by hemoglobin that is loaded with oxygen and that which is not is very different.
The LEDs flash about thirty times in every second. High accuracy may be measured by the steadiness of the flashing. Good devices have high accuracy and have mechanisms for notifying users of incorrect readings. Users should also be notified of inaccuracies in readings because of interferences. Modern models come with computer interfaces that allow users to see recorded values better.
The oximeter can be integrated into a larger system that monitors several parameters in patients. Such capabilities are important because the user can collect a range of measurements from the system at once. Additional features such as portability and ability to measure and display the rate at which the heart beats are important too. In portable brands, the life of the battery and how long it takes to discharge are the key factors to consider.
The abilities of various brands differs a lot. Bluetooth technology is incorporated in modern recording oximeters to facilitate the exchange of data among gadgets. They also permit for analysis of oxygen concentration patterns in patients for decision making. The analysis is possible from data records maintained over time. It is also possible to print records for record keeping, further analysis, or referral.
Features to check for when buying a device include capability to maintain data from multiple people, availability of accessories, and simplicity of storage. Common accessories include cases for storage, log books, and batteries. The gadget should be simple to use and the shape should be convenient. Buyers have flexibility in picking color of a product since they come in a wide range or color shades.
It is advisable to read the manual that accompanies the product before using. The manuals provide important information about handling, storage, and maintenance. Malfunctioned products should be checked before they are used to avoid working with incorrect data.
Good gadgets have in-built alarms. The alarms alert users when the level of oxygen in blood falls below a specific level by generating audible sound. This feature is very vital particularly at night when one is sleeping. Individuals with impaired or poor eyesight or problems with mobility also benefit from alarm systems.
The functioning of an oximeter is very simple and is mainly based on difference in absorption of light. The device has a processor and a pair of LEDs, which face a photodiode. The photodiode is normally separated from the LED by a translucent body part like an earlobe. One LED is red in color at 660nm wavelength while the other one is infrared at a wavelength of 940nm. At such wavelengths, absorption of light by hemoglobin that is loaded with oxygen and that which is not is very different.
The LEDs flash about thirty times in every second. High accuracy may be measured by the steadiness of the flashing. Good devices have high accuracy and have mechanisms for notifying users of incorrect readings. Users should also be notified of inaccuracies in readings because of interferences. Modern models come with computer interfaces that allow users to see recorded values better.
The oximeter can be integrated into a larger system that monitors several parameters in patients. Such capabilities are important because the user can collect a range of measurements from the system at once. Additional features such as portability and ability to measure and display the rate at which the heart beats are important too. In portable brands, the life of the battery and how long it takes to discharge are the key factors to consider.
The abilities of various brands differs a lot. Bluetooth technology is incorporated in modern recording oximeters to facilitate the exchange of data among gadgets. They also permit for analysis of oxygen concentration patterns in patients for decision making. The analysis is possible from data records maintained over time. It is also possible to print records for record keeping, further analysis, or referral.
Features to check for when buying a device include capability to maintain data from multiple people, availability of accessories, and simplicity of storage. Common accessories include cases for storage, log books, and batteries. The gadget should be simple to use and the shape should be convenient. Buyers have flexibility in picking color of a product since they come in a wide range or color shades.
It is advisable to read the manual that accompanies the product before using. The manuals provide important information about handling, storage, and maintenance. Malfunctioned products should be checked before they are used to avoid working with incorrect data.
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