Intubation LO's

Question 1

Indications for intubation

Answer 1

Acute respiratory failure
Inadequate ventilation
Airway protection
Prior to general anesthesia

Question 2

Contraindications to intubation

Answer 2

Laryngeal fracture

Disruption of laryngotracheal junction

Question 3

Conditions leading to difficult intubation

Answer 3

Infection (epiglottis)
Burns with inhalation injury
Anaphylaxis

[these all result in severe laryngeal or supralaryngeal edema]

Question 4

Difference between Mac and Miller blades

Answer 4

Mac is curved

Miller is straight

Question 5

Standard size endotracheal tube for adult female vs. adult male vs. pediatric patient

Answer 5

Female: 7-7.5 mm

Male: 7.5-8 mm

Use Broselow tape for pediatric patients

Question 6

LEMON assessment for difficult intubation

Answer 6

Look externally (obese pt, high palate, short neck, trauma)

Evaluate 3:3:2 rule (3 cm mouth opening, 3 cm thyroomental distance, 2 cm between hyoid and thyroid notch)

Mallampati score (score of 4 = higher chance of difficult intubation)

Obstruction (tumor, recent neck surgery)

Neck mobility (cervical collar? Elderly?)

Question 7

Mallampati scores

Answer 7

Class I = complete visualization of soft palate

Class II = complete visualization of uvula

Class III = visualization of only base of uvula

Class IV = soft palate not visible at all