Pulse oximetry as a solution
NICE (2010) guidelines recommend that oxygen is not routinely administered, but to monitor oxygen saturation using pulse oximetry, ideally before hospital admission, to guide the use of supplemental oxygen. O’Driscoll et al.’s (2008) guidelines suggest target saturations of 94–98% for adults, and for patients with known chronic respiratory disease, 88–92%, with obvious exceptions, for example, patients presenting with major trauma and cardiac arrest. In these conditions high flow oxygen is recommended. This implies routine use of pulse oximetry is paramount in detecting hypoxemia; by using this technology patients can have improved outcomes, although nurses need to be aware of its limitations. Monitoring a patient’s spO2 using pulse oximetry does not measure the carbon dioxide or pH levels of the blood (Harrison and Daly, 2001). It is important to highlight that pulse oximetry results do not replace the nurse’s clinical assessment skills and the ability to recognise the signs or symptoms of hypoxia (Rathbun and Ruth-Sahd, 2007).
Pulse oximetry as a solutionNICE (2010) guidelines recommend that oxygen is not routinely administered, but to monitor oxygen saturation using pulse oximetry, ideally before hospital admission, to guide the use of supplemental oxygen. O’Driscoll et al.’s (2008) guidelines suggest target saturations of 94–98% for adults, and for patients with known chronic respiratory disease, 88–92%, with obvious exceptions, for example, patients presenting with major trauma and cardiac arrest. In these conditions high flow oxygen is recommended. This implies routine use of pulse oximetry is paramount in detecting hypoxemia; by using this technology patients can have improved outcomes, although nurses need to be aware of its limitations. Monitoring a patient’s spO2 using pulse oximetry does not measure the carbon dioxide or pH levels of the blood (Harrison and Daly, 2001). It is important to highlight that pulse oximetry results do not replace the nurse’s clinical assessment skills and the ability to recognise the signs or symptoms of hypoxia (Rathbun and Ruth-Sahd, 2007).
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