Endotracheal tube: A flexible plastic tube that is put in the mouth and then down into the trachea (airway). A physician inserts an endotracheal tube under direct vision, with the help of a laryngoscope, in a procedure called endotracheal intubation. The purpose of using an endotracheal tube is to ventilate the lungs.
Quick Guide8 First Aid Kit Essentials for Scrapes, Cuts, Bug Bites, and More in Pictures
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Last Editorial Review: 5/13/2016