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Understanding Anesthesiology - The Global Regional Anesthesia ...

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Apneic threshold<br />

Apneic threshold is the partial pressure of carbon dioxide below which a person ceases spontaneous<br />

rhythmic breathing due to loss of central drive to breathe.<br />

In the healthy unanesthetized patient, the apneic threshold for CO2 is 32 mmHg.<br />

Opioids and volatile anesthetic agents raise the apneic threshold, sometimes quite considerably.<br />

Related Glossary Terms<br />

Alfentanil, Cough reflex, Emergence, Fentanyl, Morphine Sulfate, Naloxone, Opioids, Renarcotization,<br />

Remifentanil, Sufentanil, Volatile<br />

Index<br />

Find Term<br />

Chapter 3 - General <strong>Anesthesia</strong>

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