Airway Anatomy IT_AM 1.1

After I intubated my first patient yesterday, blood started coming up the endotracheal tube. On bronchoscopy there was granulomatous tissue extending down the entire trachea… Which inspired me to post an airway anatomy LO.

IT_AM 1.1 Describe the basic structural anatomy of the upper airway including the larynx

TRUE/FALSE The cricoid is the only complete cartilaginous ring in the tracheobronchial tree

TRUE/FALSE The vocal cord is formed by the superior edge of the cricothyroid membrane

TRUE/FALSE The recurrent laryngeal nerve supplies all the intrinsic muscles of the larynx

TRUE/FALSE The superior laryngeal nerve is purely sensory

TRUE/FALSE The posterior cricoarytenoids are the only muscles that open the glottis

The patient had a grade III larynx on DL. The ENT surgeon suggested the granulation tissue might have been related to the use of a bougie when the patient was intubated a month or so ago. Perhaps the rigid plastic bougies are more traumatic than we realise.

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