Perfusion Index to check the strength signal of pulse. Low perfusion index includes scores 0-5; high perfusion index includes scores >5. ALL pulse oximeters can be less accurate if the sensor site is relatively cold. Cold hands and fingers means that the blood flow and circulation to your hand is reduced and may cause problem for the oximeter to detect a good pulse signal. Sensor site temperature is recommended to be maintained near 33 °C for reliable transmittance pulse oximetry. Under this situation, try to warm up the hands prior to taking a measurement. One good way is to massage your hands by rubbing them gently against each other. Doing some hand exercise would also increase blood circulation.
Perfusion Index to check the strength signal of pulse. Low perfusion index includes scores 0-5; high perfusion index includes scores >5. ALL pulse oximeters can be less accurate if the sensor site is relatively cold. Cold hands and fingers means that the blood flow and circulation to your hand is reduced and may cause problem for the oximeter to detect a good pulse signal. Sensor site temperature is recommended to be maintained near 33 °C for reliable transmittance pulse oximetry. Under this situation, try to warm up the hands prior to taking a measurement. One good way is to massage your hands by rubbing them gently against each other. Doing some hand exercise would also increase blood circulation.
First