Chapter 11 (Airway Management) Flashcards
Nasopharynx
Entrance channel of air for the nose. Air is humidified and filtered here before being brought into the lungs.
Dead Space
The portion of the tidal volume (tubes) that does not reach alveoli and thus does not participate in gas exchange.
Airway Adjunct
Prevents obstruction of the upper airway by the tounge and allows the passage of air and oxygen to the lungs. Blood lube.
Oropharyngeal (oral) Airway
A type of adjunct which keeps the tounge from blocking the upper airway and provides the area necessary to suction the oropharynx.
Indications: Unresponsive, no gag reflex, apneic patient being ventilated with a bag mask device
Contraindications: Conscious patients, intact gag reflex.
Clamp should withhold the tounge.
Nasopharyngeal (nasal) Airways
Used for keeping the airway clear while suctioning.
Indications: semiconscious/unconscious patients with intact gag reflex, intolerable oral way
Contraindictions: severe head injury with blood draining from the nose, history of fractured nasal bone
Bevel to Nasal. Bend in the adjunct should flow downwards toward the respiratory system.
Nasal Cannula
Delivers oxygen at a rate of 6 L/min (24 - 44%). (Around as much as venturi mask)
Indication: Mild hypoxemia
Contraindictions: Wild hypoxemia, nasal adjuncts in place.
Prolly good for vomiting patients.
Nonrebreathing Mask
Provides Oxygen at a rate of 15 L/min (90%).
Indications: Wild hypoxemia
Contraindictions:
Make sure resevoir bag is full before application.
Suctioning
Tip of ear used as point of farthest reach. Take around 10 seconds. Suction only on exit from the mouth (entry = no).