Airway Assessment Flashcards
What are the two attachments for the vocal cords?
thyroid cartilage and arytenoids
What types of patients require an airway assessment?
any patient receiving any type of anesthesia
What are the indications for intubation?
to provide PEEP
maintain airway patency
deliver predictable FiO2
maintain adequate oxygenation
What are the indications for a mask case?
no difficult airway
surgeon doesn’t need access to head/neck
no bleeding/secretion issues in neck/throat
short case
no table position changes
any tongue obstruction should be easily removed with head tilt/chin lift
What are examples of surgical history that may predict a difficult airway?
tracheostomy or scar from previous one
neck dissection
UVPP
cervical spine procedures
What are some examples of co-morbidities that can predict a difficult airway
NM disease cancer lesions on the larynx obesity GERD diabetes OSA genetic disorders (turner's, downs, etc.) rheumatoid arthritis thyroid disease
What are some considerations when inspecting the teeth?
length of incisors?
condition of teeth (missing, diseased, overbite)?
relationship of upper incisors to lower incisors?
dentures or implants?
What is a normal mouth opening distance?
2 fingerbreadths or 4 cm
What is a normal thyromental distance?
6.5 cm or 3 finger breadths
What is a normal hyoidmental distance?
2 finger breadths
How is full ROM of the neck described?
should be able to touch chin to their chest
90-165 degrees
What is visible in mallampati class 1?
faucile pillars, uvula, soft palate, hard palate
What is visible in a mallampati class 2?
uvula, fauces, hard and soft palate
what is visible in a mallampati class 3?
base of uvula, soft and hard palate
What is visible in a mallampti class 4?
hard palate only