Manual of Clinical Anesthesiology: Endotracheal Intubation

Question 1

How do you align the three axes?

Answer 1

Flex the neck and extend the head

Question 2

Go through the Mallampoti classification.

Answer 2

Class:

• I: Uvula visible completely
• II: Uvula partially visible
• III: Hard and soft palate visible
• IV: Only hard palate visible

Grade:

• 1: vocal cords and arytenoids visible
• 2: arytenoids visible
• 3: epiglottis visible
• 4: epiglottis barely visible

Question 3

What is the correct length of ET tube that should be sticking out of the airway in men and women?

Answer 3

• Women: 21 cm
• Men: 23 cm

The goal is to be 4 cm above the carina.

Question 4

List the potential complications of intubation.

Answer 4

• Trauma to the airway (pressure necrosis, bleeding)
• Aspiration of gastric contents
• Esophageal intubation
• Bronchospasm
• Bronchial intubation