Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

Pulse oximeters measure blood oxygen level — how much oxygen is present in your blood and how well it is transported to the extremities (blood pressure monitors are different). Medical pulse oximeters ...

Respiratory rate is the number of breaths taken per minute. In adults, the normal respiratory rate is roughly 12 to 20 breaths per minute. In children, the normal respiratory rate varies by age.

Many factors, including age and activity levels, affect a person’s respiratory rate. Adults usually take between 12 to 20 breaths per minute, but children tend to breath faster. The respiratory rate ...