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Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works and what the readings mean.
A pulse oximeter would correctly report most hemoglobin to be bound, but nevertheless the patient would be in a state of hypoxemia and subsequently hypoxia (low cellular oxygen level). Cyanide poisoning gives a high reading because it reduces oxygen extraction from arterial blood.
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 reading, or transfers it to ...
Experts explain how pulse oximeters work, what the readings mean, and whether parents should keep one in the house. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: ...
Dissolved oxygen levels required by various species in the Chesapeake Bay (US). In aquatic environments, oxygen saturation is a ratio of the concentration of "dissolved oxygen" (DO, O 2), to the maximum amount of oxygen that will dissolve in that water body, at the temperature and pressure which constitute stable equilibrium conditions.
Reviewers, some of whom work in medicine, say the pulse oximeter is easy to use, although some complain that the digital display can be hard to read because it doesn't rotate (the numbers appear ...
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