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.
When making a purchase, one should go for a device that incorporates alarm systems. Such devices produce audible sounds to alert the patient when the concentration of oxygen falls below unacceptable levels. This feature is particularly important during night time when one is asleep. People with impaired vision or any kind of immobility may also find alarms to be important.
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.
Recording oximeters may be incorporated into larger systems, which have the ability to monitor several parameters in the body. Such abilities are essential because users can record a wide range of data from the system simultaneously. When shopping for a product, portability and display of rate of heart beat are important additional features to look for. Battery life and length of time taken for the battery to discharge are the key factors to consider in portable brands.
Not all models have the same capabilities. Most recent recording oximeters have Bluetooth technology incorporate in them to allow for exchange of information with other devices. They also maintain a record of data collected over a period of time to allow for analysis of oxygen concentration patterns in patients. The records can also be printed for further analysis, referral, or record keeping.
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.
It is a good idea to go through the producer manual before putting the device to any use. Manuals provide important specifications about storage, maintenance, and handling. So as to avoid getting false data, any kind of malfunction in the products must be checked first before using them.
When making a purchase, one should go for a device that incorporates alarm systems. Such devices produce audible sounds to alert the patient when the concentration of oxygen falls below unacceptable levels. This feature is particularly important during night time when one is asleep. People with impaired vision or any kind of immobility may also find alarms to be important.
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.
Recording oximeters may be incorporated into larger systems, which have the ability to monitor several parameters in the body. Such abilities are essential because users can record a wide range of data from the system simultaneously. When shopping for a product, portability and display of rate of heart beat are important additional features to look for. Battery life and length of time taken for the battery to discharge are the key factors to consider in portable brands.
Not all models have the same capabilities. Most recent recording oximeters have Bluetooth technology incorporate in them to allow for exchange of information with other devices. They also maintain a record of data collected over a period of time to allow for analysis of oxygen concentration patterns in patients. The records can also be printed for further analysis, referral, or record keeping.
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.
It is a good idea to go through the producer manual before putting the device to any use. Manuals provide important specifications about storage, maintenance, and handling. So as to avoid getting false data, any kind of malfunction in the products must be checked first before using them.
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