Non Invasive Ventilation

Question 1

Compare type 1 and type 2 respiratory failure

Answer 1

Type 1 - hypoxia only
Type 2 - hypoxia and hypercapnia

Question 2

Compare CPAP and BiPAP and which types of respiratory failures they are used for

Answer 2

CPAP - T1 respiratory failure
BiPAP - T2

Question 3

Explain BiPAP

Answer 3

Both deliveries of pressure are positive but in the expiratory phase, it is less positive

Question 4

BiPAP aims to?

Answer 4

Improve alveolar ventilation

Question 5

CPAP aims to

Answer 5

Increase intrathoracic pressure and therefore increase stroke volume and decrease preload

Question 6

Give another indication for CPAP

Answer 6

Acute LVF

Question 7

What counts as T1 resp failure?

Question 8

How would CPAP be delivered?

Answer 8

4cm H20

Question 9

How would BiPAP be delivered and what do the numbers mean?

Answer 9

15/3 (minimum)
first number = IPAP
second number = PEEP/EPAP

Question 10

What is the max IPAP/EPAP for BiPAP?

Answer 10

30/8

Question 11

List some contraindications for NIV

Question 12

What would you need to monitor when someone is on NIV?

Answer 12

O2 sats
ABGs every 30 mins
BP
Cardiac monitoring