In the event of chest wall rigidity caused by opioids during procedural sedation, what is the recommended initial management?

• A. Stop the opioid, administer naloxone as appropriate, support ventilation, reassess sedation needs; consider airway support or alternative analgesia.
• B. Increase the opioid dose to deepen sedation.
• C. Delay airway assessment and observe for spontaneous recovery.
• D. Immediately terminate sedation without airway support.

Answer: (A)

Opioid-induced chest wall rigidity during procedural sedation is a reversible problem that must be addressed by reversing the opioid effect and ensuring the patient can breathe. The best initial management is to stop the opioid, give naloxone in carefully titrated doses to restore ventilation, and support breathing with supplemental oxygen and bag-valve-mask ventilation or other airway assistance as needed. Reassess the overall sedation plan right away—avoid further opioid exposure and consider switching to non-opioid analgesia or a different sedative approach.

This approach is preferred because the rigidity is driven by mu-opioid receptor effects; reversing those effects with naloxone can rapidly relieve the rigidity and improve airway mechanics. Delaying airway assessment or observing without reversal risks prolonged hypoventilation and hypoxia. Increasing the opioid dose would worsen the problem, and terminating sedation without airway support neglects the immediate need to protect and maintain the airway. After stabilization, plan for safer analgesia or sedation strategies to prevent recurrence.