Normal pulse rate in oximeter - What is a normal reading on a finger pulse oximeter?

This is because the heart has to work harder to supply the body with blood.

Nail polish and artificial nails may block the red and infrared light emitted by the device.

You can also check out our step-by-step video tutorial to learn how to measure blood oxygen and heart rate using your iPhone: Can Pulse Oximeter Givefalse Reading Pulse oximeter reading maynot be accurate or may show errors in certain conditions such as… If the device isimproperly placed.

Simply put, the stronger your pulse is at the monitoring site where the pulse oximeter is attached , the more accurate the readings of it will be.

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Here are some general guidelines to understanding oximeter readings and SpO2 values.