This document defines terms for respiratory care.
This document is applicable:
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in respiratory high-flow therapy equipment standards;
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in sleep apnoea breathing therapy equipment standards;
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in sleep apnoea breathing therapy masks and accessories standards;
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in ventilatory support equipment standards;
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in health informatics standards;
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for labelling on medical electrical equipment and medical electrical systems;
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in medical electrical equipment and medical electrical system instructions for use and accompanying documents;
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for medical electrical equipment and medical electrical systems interoperability;
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in electronic health records.
This document excludes mechanical ventilation (defined in ISO 19223:2019), high-frequency and jet ventilation (defined in ISO 19223‑2:2025), negative pressure ventilation, liquid ventilation, and extracorporeal membrane oxygenation.
