Airway Isolation devices

Question 1

Airway isolation devices are used for what

Answer 1

Used to try and isolate the
esophagus and stomach from the
trachea and lungs

Question 2

What are the 3 airway isolation devices

Answer 2

1. ETC (Esophageal-Tracheal Combitube)
2. LMA (Laryngeal Mask Airway)
3. King LT-D airway

Question 3

If an ETC goes into the esophagus what balloon is inflated and the patient is ventilated where?

Answer 3

Both balloons
Through the side perforation

Question 4

If an ETC goes into the trachea what balloon is inflated and the patient is ventilated where?

Answer 4

The distal (bottom)
Distal opening (bottom opening)

Question 5

An LMA is designed to

Answer 5

Form a seal around the Larynx

Question 6

LMA only provides an airtight seal with airway pressures of what

Answer 6

Less than 20cmH2O

Question 7

An LMA is not acceptable during when

Answer 7

Positive pressure ventilation of critically ill patients

Question 8

What are 3 contraindications for using a laryngeal mask airway

Answer 8

1. High risk of aspiration
2. High airway pressure needed for ventilation
3. Diseases effecting the mouth, larynx, or pharynx

Question 9

A King LT-D airway is used for what two types of ventilation

Answer 9

Positive pressure ventilation and spontaneous ventilation

Question 10

A king LT-D airway does not protect the airway against what?

Answer 10

The effects of regurgitation and aspiration

Question 11

What is an appropriate volume of air for a king LT-D airway when inflating the balloon

Answer 11

50-80 ml’s of air

Question 12

Adjust airway pressure on a King LT-D airway to

Answer 12

60cmH2O

Question 13

After insertion of a supraglottic airway (King LT-D) if a patient is spontaneously breathing and an airway obstruction occurs what should you do

Answer 13

Advance the airway 1-2 cm

Question 14

The tip must remain where during a King LT-D insertion

Answer 14

Midline

Answer 15

King LT-SD