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Book Cataloging Data CIP

II. Diagnosis of Respiratory Failure

Chapter 27

1. Hypoxemia: For healthy individuals, arterial oxygen partial pressure (PaO2) ranges from 12.7 to 13.3 kPa, 7.3 to 7.8 kPa indicates mild respiratory failure; 5.3 to 7.2 kPa signifies moderate respiratory failure, while

From Book Cataloging Data CIP · Read time 1 min · Updated March 22, 2026

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Section Index

  1. II. Diagnosis of Respiratory Failure

II. Diagnosis of Respiratory Failure

  1. Hypoxemia: For healthy individuals, arterial oxygen partial pressure (PaO2) ranges from 12.7 to 13.3 kPa, 7.3 to 7.8 kPa indicates mild respiratory failure; 5.3 to 7.2 kPa signifies moderate respiratory failure, while values below 5.3 kPa indicate severe respiratory failure.
  2. Hypercapnia: For healthy individuals, PaCO2 ranges from 4.7 to 5.5 kPa; 6.65 kPa indicates mild respiratory failure, >9.31 kPa suggests moderate respiratory failure, and >12 kPa indicates severe respiratory failure.
  3. Arterial oxygen saturation (SaO2): A SaO2 of 95%–100% is considered normal; 80%–90% indicates mild respiratory failure, 60%–80% denotes moderate respiratory failure, and <60% indicates severe respiratory failure.

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