Central Venous Catheter

A catheter passed through a large vein in the neck and ending in the thoracic vena cava. It is used to measure venous pressure or to infuse medications and IV solutions.

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Laryngeal Mask Airway (LMA)

A tube with an inflatable cuff that is inserted into the throat after going to sleep to manage breathing while unconscious, similar to an endotracheal tube; an LMA causes less irritation than an ETT and is useful in specific situations, though it does not prevent aspiration.

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