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Here you can see what the doctor sees at the conclusion of a gastroscopy (stomach scope) examination. As the scope is withdrawn from the esophagus (foodpipe), the larnyx, or "voicebox" can also be seen. This is the opening to the trachea (windpipe), which carries air down into your lungs. In this short video, you can see the two straight normal vocal chords opening and closing. Of course, during gastscopy the scope enters the foodpipe and does not go down your windpipe so you can breathe normally during the examination. A scope test of the windpipe and lungs is called a bronchoscopy and is usuually performed by a pulmonary, or lung, specialist.

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Three Rivers Endoscopy Scope Cam Normal Vocal Chords (Voicebox)