Critical Care

Question 1

Tidal volume setting for patient with ARDS

Answer 1

4-8 cc/kg predicted body weight

Question 2

How do you calculate a RSBI and what value indicates increased likelihood of successful extubation?

Answer 2

• RR/TV

- < 105 breaths/min/L has increased probability for successful extubation

Question 3

What is a NIF and what is the goal range?

Answer 3

Negative inspiratory force
Global assessment of respiratory muscle strength

• Goal: -30 -to -40
  Want < 10 cm H2O of variability between breaths

Question 4

Optimal peri-operative glucose levels

Answer 4

140-180 mg/dL