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An endotracheal tube is a specific type of tracheal tube that is nearly always inserted through the mouth (orotracheal) or nose (nasotracheal). It is a breathing conduit designed to be placed into the airway of critically injured, ill or anesthetized patients in order to perform mechanical positive pressure ventilation of the lungs and to ...
An endotracheal tube is a specific type of tracheal tube that is nearly always inserted through the mouth (orotracheal) or nose (nasotracheal). A tracheostomy tube is another type of tracheal tube; this 50–75-millimetre-long (2.0–3.0 in) curved metal or plastic tube may be inserted into a tracheostomy stoma (following a tracheotomy ) to ...
Excessive pressure from the cuff of an endotracheal tube can reduce blood supply to the tissues of the trachea, leading to ischemia and potentially causing it to become ulcerated, infected, and, later, narrowed. [4] The mucosal lining of the trachea may also be injured by inhalation of hot gases or harmful fumes such as chlorine gas. [17]
Modern practice involves the passing of a "Bougie", a thin tube, past the vocal cords and over which the endotracheal tube is then passed. The bougie is then removed and an inbuilt cuff at the end of the tube is inflated, (via a thin secondary tube and a syringe), to hold it in place and prevent aspiration of stomach contents.
A tracheostomy tube or endotracheal tube with a 6 or 7 mm internal diameter is then inserted, the cuff is inflated, and the tube is secured. The person performing the procedure might utilize a bougie device, a semi-rigid, straight piece of plastic with a 25-mm tip at a 30-degree angle, to provide rigidity to the tube and assist with guiding its ...
High cuff pressure or long-term intubation can cause damage to the tracheal mucosa, causing inflammation, ulceration, and breakdown of cartilage. [3] When the injury heals, scarring occurs, narrowing the airway. [4] Treatment-related risk factors include repeated intubation, the presence of a nasogastric tube, and size of an endotracheal tube.
A Carlens double-lumen endotracheal tube, commonly used for thoracic surgical operations such as VATS lobectomy.. A double-lumen endotracheal tube (also called double-lumen endobronchial tube or DLT) is a type of endotracheal tube which is used in tracheal intubation during thoracic surgery and other medical conditions to achieve selective, one-sided ventilation of either the right or the left ...
Positive-pressure ventilators work by increasing the patient's airway pressure through an endotracheal or tracheostomy tube. The positive pressure allows air to flow into the airway until the ventilator breath is terminated. Then, the airway pressure drops to zero, and the elastic recoil of the chest wall and lungs push the tidal volume — the ...
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