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What Is An Endotracheal Tube?

An endotracheal tube is a flexible tube placed through the mouth or nose into the trachea, also called the windpipe. It keeps the airway open and helps move air to the lungs. The tube can connect to a ventilator, breathing bag, or anesthesia system. Placement is done by trained medical staff in settings such as surgery, emergency care, or intensive care.

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What Is An Endotracheal Tube?

An endotracheal tube is a flexible tube placed through the mouth or nose into the trachea, also called the windpipe. It keeps the airway open and helps move air to the lungs. The tube can connect to a ventilator, breathing bag, or anesthesia system. Placement is done by trained medical staff in settings such as surgery, emergency care, or intensive care.

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How Does An Endotracheal Tube Work?

The tube passes through the vocal cords and into the trachea. Once in place, it creates a clear pathway for air, oxygen, or anesthetic gases. Some tubes have an inflatable cuff that helps seal the airway and reduce air leaks. Staff confirm placement and monitor breathing, oxygen levels, and tube position.

When Is An Endotracheal Tube Used?

An endotracheal tube can be used when a person cannot breathe well enough alone or needs airway protection. It is also used during certain surgeries that require general anesthesia. Emergency teams can place one during cardiac arrest, severe trauma, serious breathing failure, or loss of consciousness. The need depends on breathing status, airway safety, and the care plan.

Endotracheal Tube Placement And Monitoring

Placement is called endotracheal intubation. Clinicians can use a laryngoscope or video device to guide the tube into the airway. After placement, staff check breath sounds, carbon dioxide readings, chest movement, and imaging when needed. Ongoing checks help prevent tube movement, blockage, leaks, or airway injury.

Risks And Aftercare

Possible issues include sore throat, hoarseness, dental injury, airway irritation, bleeding, or tube misplacement. Longer use can increase the risk of infection, pressure injury, or airway swelling. After removal, some people have temporary throat discomfort or voice changes. Report trouble breathing, severe pain, or worsening hoarseness after extubation.

Frequently Asked Questions About Endotracheal Tubes

Is An Endotracheal Tube The Same As A Ventilator?

No. The tube is the airway passage placed into the trachea. A ventilator is the machine that can move air through the tube when breathing support is needed.

Can You Talk With An Endotracheal Tube In Place?

No. The tube passes through the vocal cords, so normal speech is blocked. Care teams can use writing boards, gestures, or other tools to help the person communicate.

Does Endotracheal Intubation Hurt?

During planned intubation, medicines are commonly used to reduce pain, awareness, and discomfort. After the tube is removed, throat soreness or a scratchy voice can happen for a short time.

Why Does The Tube Need A Cuff?

The cuff helps seal the airway so air moves into the lungs more effectively. It can also help reduce leakage of fluids around the tube, though it does not remove all aspiration risk.

References

Endotracheal Intubation: Procedure, Risks & Recovery. Cleveland Clinic. https://my.clevelandclinic.org/health/articles/22160-intubation. Date Accessed May 26, 2026.

Mechanical Ventilation: Purpose, Types & Complications. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/15368-mechanical-ventilation. Date Accessed May 26, 2026.

Tracheal Intubation. MSD Manual Professional Edition. https://www.msdmanuals.com/professional/critical-care-medicine/respiratory-arrest/tracheal-intubation. Date Accessed May 26, 2026.

How To Do Orotracheal Intubation Using Video Laryngoscopy. MSD Manual Professional Edition. https://www.msdmanuals.com/professional/critical-care-medicine/how-to-do-other-airway-procedures/how-to-do-orotracheal-intubation-using-video-laryngoscopy. Date Accessed May 26, 2026.

Endotracheal Intubation Techniques. StatPearls (NCBI Bookshelf). https://www.ncbi.nlm.nih.gov/books/NBK560730/. Date Accessed May 26, 2026.