Pulse oximetry is a method of monitoring the saturation of oxygen in a patient. The monitoring device used for this process is called a recording pulse oximeter. The sensor in the device is placed across a thin part of the body preferably the earlobe or fingertip in adults and foot or hand in infants. The device monitors the percentage of hemoglobin loaded with oxygen and displays the value on a 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.
Functioning of oximeters is based on disparity in light absorption. They have processors and two LEDs, which directly face a photodiode. The LED and the photodiode are separated by a light part of the body like earlobes. One LED is red in color and has a wavelength of 660nm while the second one is infrared with a wavelength of 940nm. The absorption of the LED lights by oxygenated and deoxygenated hemoglobin is very different. This is the working principle of the gadget.
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.
When purchasing, extra features to check for include capability to keep data for more than one user, availability of added accessories, and ease of storage. Added accessories include log books and cases for storage. The device must be easy to use with a good shape for convenience. A buyer has flexibility in choosing color of the product because there are many options.
The manual that comes with the product should be read before the device is put to use. Manuals contain vital specifications concerning maintenance, handling, and storage. To avoid receiving false data, all malfunctions in the gadget must be rectified before use in future.
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.
Functioning of oximeters is based on disparity in light absorption. They have processors and two LEDs, which directly face a photodiode. The LED and the photodiode are separated by a light part of the body like earlobes. One LED is red in color and has a wavelength of 660nm while the second one is infrared with a wavelength of 940nm. The absorption of the LED lights by oxygenated and deoxygenated hemoglobin is very different. This is the working principle of the gadget.
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.
When purchasing, extra features to check for include capability to keep data for more than one user, availability of added accessories, and ease of storage. Added accessories include log books and cases for storage. The device must be easy to use with a good shape for convenience. A buyer has flexibility in choosing color of the product because there are many options.
The manual that comes with the product should be read before the device is put to use. Manuals contain vital specifications concerning maintenance, handling, and storage. To avoid receiving false data, all malfunctions in the gadget must be rectified before use in future.
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