Pulse oximetery is useful for recording two essential pieces of data from patients. The rate of the heart beat and the level of saturation of oxygen in blood are the two pieces of date captured. Since there is no penetration of the body of the patient, the method is referred to as non-invasive. A recording pulse oximeter makes it easier to determine the level of effectiveness of therapy in patients under CPAP therapy for apnea.
According to research blood oxygen percentage drops at night when apnea activities are taking place. Oximeters with recording functionalities can record such drops for use in comparing with previous recordings. Variations in the comparisons can be based on to determine the efficiency of therapy. Additional features in oximeters with recording capabilities make it worthwhile to own one of these devices. For instance, one can determine their heart rate and saturation of oxygen in blood on the spot.
Instant checking of the two parameters assists one to determine the effects of changes in air pressure and altitude on brain functions. The parameters are also normally a concern to individuals taking part in strenuous activities such as exercise. Before buying an oximeter, the buyer should check the presence of following features.
The display should be the first factor to consider when making a purchase. In ordinary devices with LED displays, heart rate and concentration of blood O2 are the only pieces of information displayed. However, additional information is presented on the screen in a better display in complex devices. Most common additional information includes perfusion index, battery level indicator, pulse waveform, various menus, and pulse meter. Different functions are opened by the menus depending on the brand of the gadget.
All good devices include the alarm function. Alarms are vital because they warn users when threshold values are exceeded or have fallen below. Normally the threshold values can be determined by the user themselves. Users therefore get warned when blood oxygen saturation or heart rate falls or exceeds a certain level. The alarm also warns users when the battery is empty or below a certain percentage.
Oximeters may have one of the two major kinds of batteries. The major battery types in use today are the standard alkaline and rechargeable lithium ion. The lithium ion type can be recharged by electricity when it gets discharged. Because of this, lithium ion batteries are considered cost effective and durable unlike the un-rechargeable alkaline types. Both alkaline and lithium ion batteries can be used in some models of oximeters. This allows users some level of flexibility in their choices.
One must never ignore comfort in the device. The user should be comfortable with how tightly the device fits on the area of attachment. Clip-based devices that are attached to the finger should be comfortable even after being used for hours especially at night. One can switch the fingers if discomfort is felt.
Additional functionalities may be checked after ensuring that the important ones are present. Normally oximeters have accompanying software that is installed on a PC. Devices with wireless capability transmit recorded data to the PC in real time. Caregivers and other third parties can benefit from such capabilities.
According to research blood oxygen percentage drops at night when apnea activities are taking place. Oximeters with recording functionalities can record such drops for use in comparing with previous recordings. Variations in the comparisons can be based on to determine the efficiency of therapy. Additional features in oximeters with recording capabilities make it worthwhile to own one of these devices. For instance, one can determine their heart rate and saturation of oxygen in blood on the spot.
Instant checking of the two parameters assists one to determine the effects of changes in air pressure and altitude on brain functions. The parameters are also normally a concern to individuals taking part in strenuous activities such as exercise. Before buying an oximeter, the buyer should check the presence of following features.
The display should be the first factor to consider when making a purchase. In ordinary devices with LED displays, heart rate and concentration of blood O2 are the only pieces of information displayed. However, additional information is presented on the screen in a better display in complex devices. Most common additional information includes perfusion index, battery level indicator, pulse waveform, various menus, and pulse meter. Different functions are opened by the menus depending on the brand of the gadget.
All good devices include the alarm function. Alarms are vital because they warn users when threshold values are exceeded or have fallen below. Normally the threshold values can be determined by the user themselves. Users therefore get warned when blood oxygen saturation or heart rate falls or exceeds a certain level. The alarm also warns users when the battery is empty or below a certain percentage.
Oximeters may have one of the two major kinds of batteries. The major battery types in use today are the standard alkaline and rechargeable lithium ion. The lithium ion type can be recharged by electricity when it gets discharged. Because of this, lithium ion batteries are considered cost effective and durable unlike the un-rechargeable alkaline types. Both alkaline and lithium ion batteries can be used in some models of oximeters. This allows users some level of flexibility in their choices.
One must never ignore comfort in the device. The user should be comfortable with how tightly the device fits on the area of attachment. Clip-based devices that are attached to the finger should be comfortable even after being used for hours especially at night. One can switch the fingers if discomfort is felt.
Additional functionalities may be checked after ensuring that the important ones are present. Normally oximeters have accompanying software that is installed on a PC. Devices with wireless capability transmit recorded data to the PC in real time. Caregivers and other third parties can benefit from such capabilities.
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