Waveforms
BiPAP & ABGs
P(A-a)O2 Gradient
Randoms
Cry to your mom
More BS
100

A dog ear on the left side of the pressure tracing indicates:

What is a rise time that is too fast?

100

30%/10/+5

ABG:
7.28/58/92/26 

What setting should be changed?

What is increase IPAP?

100

Normal P(A-a)O2 gradient.

What is 25-65 mmHg?

100

40%/14/+5

ABG:
7.50/28/85/22

What is the patient doing and what adjustment should be made?

What is patient is overventilating and decrease IPAP?

100

A patient has:

Edi Peak = 18
Edi Min = 8
NAVA Level = 2

Pressure support delivered?

What is 20 cmH2O?

200
How do you fix a left-sided dog ear?
What is increase (lengthen) the rise time?
200

40%/12/+5

ABG:
7.40/40/55/24

What setting should be changed?

What is increase FiO2 or EPAP?

200

A patient has:
FiO2 = 40%
PaCO2 = 43
PaO2 = 110
Pb = 747
PH2O = 42
RQ = 0.8 

What is 118.25 mmHg?

200

50%/12/+5

ABG:
7.20/70/58/27

What setting is most important to increase?

What is IPAP?

200

A patient has:

Edi Peak = 20
Edi Min = 5
NAVA Level = 3 

Pressure support delivered?

What is 45 cmH2O?

300

A dog ear on the right side of the pressure tracing indicates:

What is an inspiratory time that is too long?

300

40%/10/+5

ABG:
7.25/65/58/28

What setting should be changed FIRST?

What is increase IPAP?

300

Patient has:

FiO2 = 50%
PaCO2 = 40
PaO2 = 80
Pb = 747
PH2O = 42
RQ = 0.8 

What is 222.5 mmHg?

300

80%/20/+10

ABG:
7.38/41/48/24

Which setting should be increased first?

What is EPAP?

300

NAVA level is equivalent to what of Pressure support?

What is NAVA Level of 1 is equivalent to 1 cmH2O of Pressure Support (PS)?
400

A flow cycle percentage set too low will generally do what to inspiratory time?

What is lengthen it?

400

60%/14/25

ABG:

7.39/42/48/25

What setting should be changed?

What is increase FiO2 or EPAP?

400

Patient has:

FiO2 = 80%
PaCO2 = 58
PaO2 = 51
Pb = 747
PH2O = 42
RQ = 0.8

What is 440.5 mmHg?

400

Patient has:

I-Time = 1.0 sec
Plateau = 0.4 sec
Rise time = 0.2 sec

Total inspiratory time?


What is 1.4 seconds?

400

Equation of P(A-a)O2 gradient and what do you NOT forget to do at the end?

What is PAO2 = [FiO2 (Pb-PH2O)] - (PaCO2 - RQ) and do not forget to subtract the PaO2?

500

A patient has a right-sided dog ear in PSV. Which ventilator adjustment is most appropriate?

What is increase the flow-cycle percentage?

500

40%/10/+5

ABG:
7.30/60/50/28

What TWO problems are present?

What is hypoventilation and hypoxemia?

500

Patient has: 

FiO2 = 70%
PaCO2 = 50
PaO2 = 60
Pb = 747
PH2O = 42
RQ = 0.8

What is 371 mmHg?

500

Patient on CPAP +5 with PS 12 is extubated to BiPAP.

New IPAP?

What is 17 cmH2O?

500

Pressure support equation for NAVA.

What is PS = (Edi Peak - Edi Min) x NAVA Level?

M
e
n
u