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.
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 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 capabilities of various models differs a lot. Current day recording oximeters incorporate Bluetooth technology to allow exchange of data with other gadgets. They also allow for analysis of patterns of oxygen concentration in patients from the records collected and maintained over time. The records may also be printed out for referral, record keeping, or further analysis.
When making a purchase, extra features to look for include ability to store data for multiple users, ease of storage, and availability of additional accessories. Additional accessories include storage cases and log books. The device should be well shaped for convenience and it must be easy to use too. There are many color shades on the market and one can choose according to their preferences.
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 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 capabilities of various models differs a lot. Current day recording oximeters incorporate Bluetooth technology to allow exchange of data with other gadgets. They also allow for analysis of patterns of oxygen concentration in patients from the records collected and maintained over time. The records may also be printed out for referral, record keeping, or further analysis.
When making a purchase, extra features to look for include ability to store data for multiple users, ease of storage, and availability of additional accessories. Additional accessories include storage cases and log books. The device should be well shaped for convenience and it must be easy to use too. There are many color shades on the market and one can choose according to their preferences.
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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