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Pulse oximetry is a measure of how much oxygen is within the blood. People with respiratory or cardiovascular situations, very younger infants, and people with some infections could profit from pulse oximetry. In this article, we have a look at how pulse oximeters work and what to expect when utilizing one. What is pulse oximetry? Every system and organ within the physique needs oxygen to survive. Without oxygen, cells begin to malfunction and finally die. Cell demise can cause extreme symptoms and finally lead to organ failure. The physique transports oxygen to the organs by filtering it by means of the lungs. The lungs then distribute oxygen into the blood through hemoglobin proteins in pink blood cells. These proteins provide oxygen to the rest of the body. Pulse oximetry measures the proportion of oxygen in hemoglobin proteins, known as oxygen saturation. Oxygen saturation normally signifies how a lot oxygen is getting to the organs. Normal oxygen saturation levels are between ninety five and one hundred p.c. Oxygen saturation levels beneath 90 % are considered abnormally low and can be a clinical emergency.
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发表于 2025-9-14 15:07:02