What is considered a normal pulse oximetry reading for adults?

A normal pulse oximetry reading for adults typically falls within the range of 94-98%. This range indicates that the hemoglobin in the blood is effectively saturated with oxygen, which is essential for proper cellular function and overall oxygenation of the body. Readings below this range may suggest hypoxemia, where there is inadequate oxygen available in the bloodstream to meet bodily needs.

Recognizing these ranges is crucial for EMTs and healthcare providers, as abnormal readings can help in assessing a patient's respiratory and cardiovascular status, guiding the need for further interventions such as supplemental oxygen or additional medical care. The upper limit of 100% is also important to consider, as while it may be seen in some healthy individuals, it is less commonly maintained due to the limitations of normal physiology in real-world scenarios. Thus, understanding the correct range helps in making accurate assessments during patient evaluations.