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Pulse oximetry in supportive and palliative care
Vandana A Vora1, Sam H Ahmedzai
1Department of Palliative Medicine, Royal Hallamshire Hospital, Sheffield, UK. vandana.vora@sth.nhs.uk
Summary
Pulse oximetry is a non-invasive tool that estimates oxygen saturation, aiding palliative care teams in managing breathlessness and oxygen therapy decisions. Understanding its limitations, like low perfusion, ensures optimal patient care.
Area of Science:
- Medical Devices
- Respiratory Medicine
- Palliative Care
Background:
- Pulse oximetry is a non-invasive technique for measuring oxyhaemoglobin saturation.
- It provides essential bedside data on patient oxygenation levels.
Purpose of the Study:
- To highlight the utility of pulse oximetry in palliative care settings.
- To inform clinical decisions regarding oxygen therapy.
- To emphasize the importance of understanding the technology's limitations.
Main Methods:
- Review of pulse oximetry principles and applications.
- Discussion of factors affecting reading accuracy, such as end-of-life low perfusion states.
Main Results:
- Pulse oximetry offers a valuable, inexpensive bedside assessment of oxygenation.
- It assists in diagnosing the causes of breathlessness.
Conclusions:
- Pulse oximetry is a crucial tool for palliative care, guiding oxygen therapy decisions.
- A comprehensive understanding of its applications and limitations enhances multidisciplinary team care for critically ill patients.