9 fits 99% of people

Needs to be used on DEEPLY sedated patient so no gag relfex

contraindicated in oral trauma 

Hold it up to side of face, tip should be at the angle of the mandible 

Sits in the posterior pharynx just above the epiglottis 

Less airway irritation

Watch out for inferior turbinate for bleeding-need to vasoconstrict 

Measure from tip of nose to ear lobe 

Infant: 1

2-8 y/o: 2

10 to adults: 3

Large adult: 4

Lift epiglottis

Used more often in pediatric 

Suction, Stethescope

Oxygen

Airway tools

Pharmaceuticals

Monitoring

EtCO2

3 cm beyond cords 

20 cm H2O 

Dental/ Soft tissue damage

Myocardial ischemia 

Obstruction

Esophageal intubation

Right main stem

Barotrauma

Tracheal ischemia

Accidental extubation 

Laryngospasm

Aspiration

Pharyngitis/Laryngitis

Subglottic edema

Tracheal stenosis

Vocal cord damage

Ulceration 

LMA

King

I-gel

COMBI- tube 

Cannot open mouth

Upper airway obstruction

Risk for aspiration

Suspected subglottic abnormalites

Need for high airway pressures

Obese/OSA

Patients that cannot communicate about history

Prolonged bag-valve mask ventilation

Morbid obeses

Pregancy

Patients not NPO

Upper GI bleed

Delayed gastric motility

GERD 

Size selection

Examination of LMA

Check deflation and inflation of cuff

Lubrication

Postioning of the airway