Pulse Oximetry FAQ
Does body temperature affect pulse oximeter accuracy?
Cooler body temperatures can affect pulse oximeter accuracy. This is because cold extremities can lead to vasoconstriction and poor perfusion, which makes it difficult for the probe to detect a good pulse signal. Warming the body part where the probe is placed can be helpful in some cases.
References: Lifebox Pulse Oximetry Learning Module
Keywords: temperature, vasoconstriction, cold
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