ARSs/ALI

Question 1

What risk factors are directly related to ARDS

Answer 1

Ventilator
High oxygen delivery
Low saturated oxygen on a blood gas

Question 2

What is the 3 general criteria for ARDS

Answer 2

1. Severe hypoxemia
2. Decreased pulmonary compliance
3. Diffuse pulmonary infiltrates and non cardiogenic form of pulmonary edema, not left side heart failure PAWP less than 18

Question 3

What are the guidelines for respiratory failure

Answer 3

PAO2 less than 60 OR PaCO2 greater than 50 with a pH less than or equal to 7.30

Question 4

Stages of ARDS

Answer 4

1. Exudative ( acute) phase 0-4 days
2. Proliferative phase 4-8 days
3. Fibrotic phase > 8 days
4. Recovery phase

Question 5

Wha is a normal lactate level

Answer 5

0

Question 6

What is management of ARDS

Answer 6

Maintaining adequate oxygenation and tissue perfusion using mechanical ventilation ( goal is to achieve ventilation & oxygenation adequate to support organ function)
Fluid management to support perfusion to tissue

Question 7

What is an important marker of tissue perfusion

Answer 7

Serum lactate

Question 8

When should a person be proned

Answer 8

PFration < 100 on at least 60% oxygen