Anesthesia for Tracheal Intubation Quiz

Local Anesthesia Methods for Tracheal Intubation

• Topical anesthesia can be applied to the upper airway using local anesthetic sprays or gels.
• Translaryngeal injection of local anesthetics can provide direct anesthesia to the vocal cords and surrounding tissues.
• Lidocaine can be administered via nebulization for a non-invasive approach to anesthetize the airway.

Approaches to Tracheal Intubation under General Anesthesia

• Two main approaches include the conventional endotracheal intubation through the mouth and the use of a laryngeal mask airway (LMA) followed by intubation.
• Alternatively, video-assisted techniques provide visualization to facilitate accurate placement of the endotracheal tube.

Usual Approach for Tracheal Intubation under General Anesthesia

• The most common method is orotracheal intubation, wherein the endotracheal tube is inserted through the oral cavity past the vocal cords into the trachea.
• This procedure typically requires the use of muscle relaxants to minimize airway reflexes and paralysis of pharyngeal muscles.

Purpose of Pre-Oxygenation in Relaxant Anesthesia

• Pre-oxygenation increases the patient's oxygen reserves prior to intubation, which is crucial in case of hypoventilation or difficulty during the procedure.
• It aims to delay the onset of hypoxia during the period between the administration of muscle relaxants and successful intubation.

Recommended Dose of Succinylcholine for Intubation

• The standard dosing for Succinylcholine in relaxed anesthesia technique is 1 to 1.5 mg/kg administered intravenously.
• This medication induces rapid muscle relaxation, facilitating intubation within 30 to 60 seconds of administration.