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The most common complication after inserting an oral airway is airway obstruction, which can occur if the airway is improperly positioned or if the patient has a gag reflex that leads to vomiting. Other potential complications include trauma to the oral cavity or airway structures, such as the lips, gums, or teeth. Additionally, the insertion of an oral airway may provoke coughing or choking in some patients. Proper technique and sizing are crucial to minimize these risks.
Airway is compromised because of trauma as it can affect brain, oropharynx, neck, and trachea, pulmonary system resulting in airway obstruction or respiratory problems. Aspiration of blood and gastric contents contribute to compromised airway. Also patients with low level of consciousness are at risk of not being able to protect their airway.
If the nasopharyngeal airway is determined to be too long, it may need to be replaced with a shorter size to ensure proper placement and effectiveness. An excessively long airway can lead to improper positioning, potentially causing airway obstruction or trauma to the nasal passages and pharynx. It's important to choose an airway of appropriate length to maintain a clear airway and ensure patient safety. Always confirm the correct size before insertion.
Because even though it is recommended for an unconscious patient, if the patient has sustained to severe of a trauma the nasal airway could damage the patient more than help them.
prevent the tongue from blocking the pharynx
No, a nasopharyngeal airway should not be used in a patient with an endotracheal tube in place. The endotracheal tube already secures the airway and provides ventilation, making the use of a nasopharyngeal airway unnecessary and potentially harmful. Introducing a nasopharyngeal airway could cause trauma to the airway or displace the endotracheal tube.
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.
To size an oropharyngeal airway (OPA), measure from the corner of the patient's mouth to the angle of the jaw (mandible). This ensures the airway is long enough to keep the tongue from obstructing the airway while not being too long to cause trauma. In adults, common sizes range from 3 to 5, while pediatric sizes vary based on age and size of the child. Always select the appropriate size based on the patient's anatomy and needs.
If a nasopharyngeal airway is too long, it may extend too far into the oropharynx, potentially causing airway obstruction or stimulating the gag reflex, which can lead to vomiting or aspiration. Additionally, an excessively long airway may irritate the nasal passages or cause trauma to the surrounding tissues. Proper sizing is essential to ensure effective airway management without complications.
An acceptable method for selecting an appropriately sized oropharyngeal airway is to measure from the corner of the patient's mouth to the angle of the jaw or the earlobe. This ensures that the airway fits the patient's anatomy properly. Additionally, choosing an airway size that corresponds to the patient's weight or age can also be helpful, typically using a size chart as a reference. It’s important to select a size that allows for effective ventilation without causing trauma to the oropharyngeal structures.
A nasopharyngeal airway should not be used if there are signs of facial or skull base fractures, as it can potentially enter the cranial cavity and cause further injury. Additionally, it is contraindicated in patients with severe coagulopathy or bleeding disorders, as it may exacerbate bleeding. If there is significant nasal obstruction or trauma, using this airway could also lead to complications.
In a pre-hospital emergency situation, someone who will most likely require the insertion on an OPA (oralpharyngeal airway) will be a patient who is unable to keep their airway open themselfs, don't have a gag reflex, and don't have any maxiofacial damage. The whole prodecure is quite short and simple. First, establish the patients gag reflex. This can be accomplished brushing the eyelashes since they operate on the same nerve. If the patient "flinches" the a gag reflex is present, if not then one may continue with the OPA. The OPA is inserted "backwards" then turned 180 degrees, forcing the touge out of the airway and ending the with flange resting on the teeth. Typically the patient is then assisted with respirations via a bag valve mask.