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Superior laryngeal block
Key Points
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The superior laryngeal nerve is blocked at the lower border of the hyoid bone.
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A small 25-gauge, short needle is used to reduce the risk of intravascular or intralaryngeal injections.
Perspective
The superior laryngeal nerve block is one of the methods of providing airway anesthesia. Block of the superior laryngeal nerve provides anesthesia of the larynx from the epiglottis to the level of the vocal cords.
Patient Selection. This block may be appropriate for any patient requiring tracheal intubation before anesthetic induction.
Pharmacologic Choice. Lidocaine (0.5%) is an appropriate local anesthetic for this block.
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