Others require you to press a start button. Take reading: Some units automatically take a reading when your fingertip touches a pad inside the unit. If your unit requires adhesive to hold it in place, apply the adhesive before inserting your finger. Other pulse oximeters may just have a hole or cylinder into which you insert your finger. It will fit tightly, but it shouldn’t pinch painfully like a clothespin would. You pinch the ends of the pulse oximeter to open the arms, slide your finger inside, and release the ends. It’s not ideal for use during sleep, and it’s not really designed for at-home use, either.Ĭonnect to a finger: Some pulse oximeters open and close like a clothespin. You’re limited in the types of activities you can perform while wearing it, as you must hold the unit in one hand. (Other designs are so small that they won’t have many, if any, control buttons.) This design typically boasts a larger display screen, making it easier to read.Ĭons: This older design is not very portable. Pros: The handheld screen gives you more control over the unit’s operation than other designs. Alternatively, the fingertip clip may connect via wire to a larger display screen that contains additional data from multiple sensors on the body. The handheld portion, which is about the size of a thick smartphone, contains a display screen and may also sport control buttons. The clip fits onto about half of the index finger and attaches to a handheld device with a wire. This is the type of oximeter you’re most likely to encounter in a hospital. A design with a wristband screen may cost a little more than the oximeter on its own.
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