Health Oxygen keeps your body cells alive – learn more about pulse oximetry. Who might benefit from a pulse oximeter? Here’s what we recommend. Pulse oximeters Pulse oximeters Oxygen supply. Oxygen keeps the cells in your body functioning. Transporting a large amount of oxygen requires a “carrier” – haemoglobin. IMPORTANT. In high-risk patients, self-monitoring using a pulse oximeter is not sufficient. Medical supervision must also be sought. O2 attaches to haemoglobin. O2 Haemoglobin releases O2 to organs. O2 The oxygen attaches to the haemoglobin in the red blood cells and is supplied to the organs via the bloodstream. A pulse oximeter is recommended for athletes who want to keep an eye on their vital signs. The use of a pulse oximeter is also recommended in situations where the oxygen content of the ambient air is low, e.g. when you’re at higher altitudes for long periods or during air sports activities. Measurement of oxygen saturation in the blood also plays an important role for the large number of people who suffer from chronic or acute respiratory diseases. Beurer’s pulse oximeters are ideal for these patients as they can provide information about problems with the body’s oxygen supply. Our new PO 13 Kids model with a giraffe design has been specially developed for children suffering from heart failure, chronic obstructive pulmonary diseases, bronchial asthma or sleep apnoea. How pulse oximetry works. Using pulse oximetry, arterial oxygen saturation can be measured without having to take blood samples. The technology measures two light sources of different wavelengths passing through the fingertip. Our body’s oxygen requirements. The human body needs approx. 400 litres of oxygen (O2) each day. A healthy oxygen saturation level is around 94% to 99%. Checking your level on a regular basis makes it possible to spot the signs of a deficiency and take action early. What is the Perfusion Index? The Perfusion Index (PI) determines the blood flow value of the finger. It can range from 0.3% to 20% and varies depending on the patient, measurement location and state of health. 50 51
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