Suction

Suction

Suction (/ˈsʌkʃən/) is the process or action of drawing fluid or gas by reducing the pressure difference between two areas.

Etymology

The term "suction" originates from the Latin word "suctio", which means to suck or draw out.

Definition

Suction is a force that causes a fluid or gas to be drawn into a vacuum, or region of lower pressure. It is commonly used in medical procedures to remove substances from the body, such as blood or other fluids.

Medical Usage

In the medical field, suction is often used in procedures such as endotracheal intubation, bronchoscopy, and surgery to remove fluids or gases that may obstruct the patient's airway or surgical site.

Endotracheal Intubation

Endotracheal intubation is a medical procedure in which a tube is inserted into the trachea through the mouth or nose. Suction is used to remove secretions and fluids that may obstruct the tube or interfere with the patient's breathing.

Bronchoscopy

In a bronchoscopy, a thin tube is inserted into the patient's airway to examine the bronchi. Suction is used to remove mucus or other obstructions that may interfere with the procedure.

Surgery

During surgery, suction is used to remove blood and other fluids from the surgical site to provide a clear view for the surgeon and to prevent the accumulation of fluids that could lead to complications.

Related Terms

• Vacuum: A space entirely devoid of matter, often created by suction.
• Pressure: The force exerted by a fluid or gas on a given area.
• Intubation: The insertion of a tube into a body cavity or organ, often using suction.
• Bronchoscopy: A procedure to look into the airways of the lungs, often using suction.

External links

• Medical encyclopedia article on Suction
• Wikipedia's article - Suction

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