What One Should Know About Recording Pulse Oximeter

By Annabelle Holman


Data collected over time through pulse oximetry can be used to check two types of information about a patient. The two pieces of information are blood oxygen saturation percentage and the heart rate. This method is non-invasive and does not involve penetrating the body in any way. For patients receiving CPAP therapy for apnea, a recording pulse oximeter can be used to determine the efficiency of the therapy.

Apnea activities lead to a drop in blood oxygen percentage during the night when they are taking place. Such drops can be recorded by oximeters with recording capability and used to compare with previous recordings made. The efficiency of therapy can be determined basing on the variations found in the recordings. Te extra features incorporated in modern devices make it important to own one of them. For example, spot checks for heart rates and oxygen saturation are possible in modern brands.

Ability to check the 2 aspects on the spot is useful in determining things like effect of height and changes in air pressure on normal brain functions. When exercising or involved in strenuous activities, one may want to know their heart rates and oxygen concentration in blood. These devices have certain features that a buyer should check out for before settling for any specific product.

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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