EMT Airway Management CH 9 Flashcards
What are the three regions of the pharynx?
oropharynx, nosopharynx, and larygopharynx
What are the structures that make up the airway?
nose, mouth, pharynx, larynx, trachea, bronchi and lungs
What are the structures surrounding the entrance to the trachea?
laryngopharynx
what is the entry point into the larynx called?
glottic opening
what is the protective flap that sits above the glottic opening?
epiglottis
What is the lower airway composed of?
trachea, bronchial passages, and aveoli
Where does the trachea branch off at?
Carina
what term describes the contraction of smooth muscle that lines the bronchial passages that results in a decreased internal diameter of the airway and increased resistance to airflow?
bronchoconstriction
What term describes a high-pitched sound generated from partially obstructed airflow in the upper airways?
Stridor
Describe retractions (usually in children)
pulling in of the muscles above the clavicles and between the ribs
What may you see in infants and children who are showing signs of inadequate airway?
nasal flaring
What term describes the sound of the soft tissue of the upper airway creating impedance to the flow of air?
snoring
What term describes the sound of fluid obstructing the airway?
gurgling
What is the most effective way to clear the patient’s airway of secretions, blood or vomit?
using a wide-bore, rigid tip, Yankauer suction device
What is the most common impediment to an open airway?
lack of airway muscle tone
how do you measure an oropharyngeal airway?
from the corner of the patients mouth to the tip of the earlobe on the same side
What is the preferred method for insertion of an OPA in an infant or child?
using a tongue depressor and inserting OPA with tip already facing down
What are the typical sizes of NPAs in adults?
34, 32,30 and 28 french
How do you measure an NPA?
from the patients nostril to the tip of the earlobe
Which way should the bevel face when inserting a NPA?
bevel towards the septum
In order to be effective a suction device must furnish an air intake of at least ___ liters per minute.
30
suction devices must generate a vacuum of no less than ______ mm Hg when tube is clamped
300
What attachments are needed for a suction unit?
Tubing Suction tips Suction catheters Collection container Canister of clean or sterile water
What characteristic are required of suction tubing if it is to be effective?
thick walled, nonkinking, wide-bored
What is the most popular type of suction tip?
the rigid pharyngeal, aka Yankauer
You should try to limit suction to no longer than ____ seconds
10
What are some rules for suctioning?
BSI,
Limit to 10 seconds at a time,
Place tip where you want to start and begin suctioning on the way out
children tend to depend more on their _____ for breathing
diaphragm
