Brady Emergency Care 11th edition: Chapter 38 Key Terms
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| alveoli | the microscopic sacs of the lungs where gas exchange with the bloodstream takes place
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| bronchioles | smaller branches of the bronchi
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| capnometry | the measurement of exhaled carbon dioxide. A graphic recording or display of capnometric measurement is called capnography.
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| carina | the fork at the lower end of the trachea where the two mainstem bronchi branch
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| cricoid cartilage | the ring-shaped structure that circles the trachea at the lower edge of the larynx
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| cricoid pressure | pressure applied to the cricoid cartilage to suppress vomiting and bring the vocal cords into view
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| endotracheal tube | a tube designed to be inserted into the trachea. Oxygen, medication, or a suction catheter can be directed into the trachea through an endotracheal tube.
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| epiglottis | a leaf-shaped structure that prevents food and foreign matter from entering the trachea
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| esophageal detector device (EDD) | device that uses a bulb or syringe to withdraw air from an ET tube to determine correct placement in the trachea (air can easily be withdrawn) or incorrectly in the esophagus (in which the soft esophagus collapses & prevents air from being withdrawn).
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| esophagus | the tube that leads from the pharynx to the stomach
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| glottic opening | the opening to the trachea
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| hypopharynx | the area directly above the openings of both the trachea and the esophagus
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| hypoxia | inadequate oxygenation, or oxygen starvation
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| intubation | insertion of a tube
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| laryngoscope | an illuminating instrument that is inserted into the pharynx to permit visualization of the pharynx and larynx
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| larynx | the voice box
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| mainstem bronchi | the two large sets of branches that come off the trachea and enter the lungs. There are right and left mainstem bronchi. The singular is bronchus.
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| nasogastric tube | a tube designed to be passed through the nose, nasopharynx, and esophagus. It is used to relieve distention of the stomach in an infant or child patient.
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| nasopharynx | the area directly posterior to the nose
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| oropharynx | the area directly posterior to the mouth
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| orotracheal intubation | placement of an endotracheal tube through the mouth and into the trachea
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| stylet | a long, thin, flexible metal probe
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| trachea | the "windpipe"; the structure that connects the pharynx to the lungs
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| vallecula | a grove-like structure anterior to the epiglottis
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| vocal cords | two thin folds of tissue within the larynx that vibrate as air passes between them, producing sounds.
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