Pulse oximeters will also give low spO2 if your fingertip is cold. In that case,...

		pkaye on June 18, 2023 \| parent \| context \| favorite \| on: Measuring blood pressure for less than a dollar us... Pulse oximeters will also give low spO2 if your fingertip is cold. In that case, just put your hand/fingers under your armpit for a few seconds to warm them up.