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Annamarie Saarinen uses a mobile phone pulse oximeter to screen a newborn at Beichuan People's Hospital in Sichuan, China. The Newborn Foundation is credited with persuading the United States Department of Health and Human Services to formally recommend universal pulse oximetry screening for congenital heart defects in every child born in the United States. [1]
Pulse oximeters came along in the 1980s as an easy and painless alternative. The device shines a light through the fingertip, seeking out oxygen-rich blood. The more light that’s absorbed, the ...
The pulse may vary due to exercise, fitness level, disease, emotions, and medications. [11] The pulse also varies with age. A newborn can have a heart rate of 100–160 bpm, an infant (0–5 months old) a heart rate of 90–150 bpm, and a toddler (6–12 months old) a heart rate of 80–140 bpm. [12]
A pulse oximeter probe applied to a person's finger. A pulse oximeter is a medical device that indirectly monitors the oxygen saturation of a patient's blood (as opposed to measuring oxygen saturation directly through a blood sample) and changes in blood volume in the skin, producing a photoplethysmogram that may be further processed into other measurements. [4]
In 2011, the American Academy of Pediatrics and the U.S. Department of Health and Human Services recommended mandatory screening for all newborns, using "motion-tolerant pulse oximeters that report functional oxygen saturation have been validated in low perfusion conditions". [22]
Example pulse oximeter. Pulse oximetry is a method used to estimate the percentage of oxygen bound to hemoglobin in the blood. [10] This approximation to SaO 2 is designated SpO 2 (peripheral oxygen saturation). The pulse oximeter is a small device that clips to the body (typically a finger, an earlobe or an infant's foot) and displays its ...
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