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The most common cause of airway obstruction in any patient - supine or not - is the tongue. This is why the first maneuver that should be performed on a patient not breathing is the head-tilt/chin-lift or the jaw thrust. This is to help clear the tongue from the airway and may allow the person to breathe again.
tongue
TONGUe
in unconscious patients the commonest cause for the obstruction of airway is due to the back ward falling of the tongue obstructing the airway..first aid for this unconscious subject is applying cervical collar at the site prevets obstruction...
Often it is a food item that has blocked the airway. Trying to swallow too much at one time may cause an airway obstruction. People have died by their own vomit, usually when under the influence of alcohol or drugs. Babies and young children may choke on small toys, as young children and babies frequently put toys, etc, into their mouths.
Tongue
An unconscious person cannot willfully turn themselves over. However, an unconscious patient should be placed on their side in the recovery position, provided there is no clinical evidence of a cervical spine injury that may compromise life. This position allows any vomit to clear from the patient's airway, and to avoid the tongue falling back and potentially causing an airway blockage.
The most common cause of airway occlusion (airway obstruction) is choking on foreign objects. This means swallowing an obstructive object or having something lodged in your trachea causing the airway to lose its patency.
- Inserted in mouth, extending from the teeth to the oropharynx. - Prevents obstruction of the trachea by displacement of the tongue into the oropharynx. Keeps the airway open and keeps tongue in place which is handy for other procedures.
An obstruction of the upper airway involves the blockage of the airway in the throat, trachea (airway going to the lungs) or the voice box. Multiple things can cause upper airway obstruction, such as foreign objects (choking), swelling due to allergic reaction and chemical or heat burns which cause blistering/swelling. Most of the time, people would first think of choking as causing an obstruction of the upper airway, even though there are a variety of causes.
So that their tongue does not slide back to block their airway and so that if they vomit the sick comes out of their mouths rather than going down their throat into the lungs.
I Believe what you mean is a foreign body airway obstruction. Essentially this is just the same thing as saying someone is choking. You have 2 types, total and partial airway obstructions. Any object that blocks the airway is considered to be an obstruction. The tongue itself can be one. If this isn't what you're looking for please feel free to revise this.