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Pulse oximetry is the process of measuring and monitoring the level of concentration of oxygen in blood. Recording pulse oximeter is the appliance used for monitoring. To work effectively, the sensor need to be placed across thin flesh. In grownup people fingertips or earlobes are the best whereas in infants limbs can do. The percentage of hemoglobin that has oxygen loaded to it is determined and the figure is displayed on a screen.
Devices with an alarm system are a good option to check for. Such gadgets make audible sounds to inform patients when the level of concentration of oxygen has fallen below certain levels. This ability is particularly vital at night when sleeping. People with poor or impaired eyesight or mobility problems may also benefit from alarms.
The functioning of oximeters bases on disparity in how light is absorbed. A typical design is made of a processor and 2 light emitting diodes, which face a photodiode directly. When in use the LEDs and the photodiode must have a thin layer of and organ like the lower side of the ear separating them. One LED is colored red with a wave-length of 660nm whereas the second is infrared and has a wave-length of 940nm. How the red and infrared LED lights are absorbed by deoxygenated and oxygenated hemoglobin differs. This forms the main working principle in the device.
The LED flashes at a rate of about thirty times in a second. A device that maintains the rate of flashing constant has a high accuracy. A good device is one that has high accuracy and also has some means of notifying the user in case of an incorrect reading. Presence of interferences that affect accuracy in the readings should also be disclosed to the user. Some modern models have computer interfaces allowing the user to see readings in a better way.
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.
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 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.
Devices with an alarm system are a good option to check for. Such gadgets make audible sounds to inform patients when the level of concentration of oxygen has fallen below certain levels. This ability is particularly vital at night when sleeping. People with poor or impaired eyesight or mobility problems may also benefit from alarms.
The functioning of oximeters bases on disparity in how light is absorbed. A typical design is made of a processor and 2 light emitting diodes, which face a photodiode directly. When in use the LEDs and the photodiode must have a thin layer of and organ like the lower side of the ear separating them. One LED is colored red with a wave-length of 660nm whereas the second is infrared and has a wave-length of 940nm. How the red and infrared LED lights are absorbed by deoxygenated and oxygenated hemoglobin differs. This forms the main working principle in the device.
The LED flashes at a rate of about thirty times in a second. A device that maintains the rate of flashing constant has a high accuracy. A good device is one that has high accuracy and also has some means of notifying the user in case of an incorrect reading. Presence of interferences that affect accuracy in the readings should also be disclosed to the user. Some modern models have computer interfaces allowing the user to see readings in a better way.
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.
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 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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