General AnesthesiA

Question 1

Prolonged ventilation in myasthenia gravis

Answer 1

Disease > 6years
Pirydostigmine >750mg/day
Chronic respiratory disease
Vital capacity <2.9 L

For newer techniques 
Bulbar involvement 
BMI > 28
Prior crisis 
Pulmonary reseccion

Question 2

VAE

Answer 2

Approximately 3-5 mL/kg bolus of air and 10-15 mL/kg bolus of CO2 are sufficient to result in a fatal air lock situation.

large enough volume of air will cause an air lock which prevents blood from exiting the right heart into the pulmonary circulation.