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Here the bronchoscope is advanced into the locally anesthetised trachea, via the mouth or the nose. The endotracheal tube is then advanced over the scope, until it is well through the vocal cords. It needs to lie in the main breathing passage, before it branches off to the right and left bronchi going to the lungs.
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| The anaesthetist can see when the tube is in the correct place, and confirms it with monitoring of the expired carbon dioxide in your breaths. This technique provides the minimum of risk if you have been "difficult" to intubate previously, or if the anaesthetist ( or anesthesiologist in USA ) is concerned that you would be a difficult intubation, even without such a history. | ||
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