Wooden chest rigidity is seen with
Correct Answer: Fentanyl
Description: Fentanyl induced chest wall rigidity seen with high bolus dose of fentanyl. CWR related to opiate administration was first described by Hamilton and Cullen in 1953 . Following opiate administration, clinicians may observe significant difficulty with mask ventilation, respiratory arrest, and a rigid chest wall; this phenomenon has been noted with various opioid substances. The majority of repoed cases and physiologic studies focus on CWR occurring with high opioid doses --administeredas pa of anesthetic induction
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Anaesthesia
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