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30 Cards in this Set

  • Front
  • Back

How do you calculate DESIRED FiO2?

Desired FiO2 = (PaO2 Des. x FiO2 Known) / PaO2 known

What is the clinically acceptable range for PaO2?


Following successful cardiac resuscitation, a patient being placed on a mechanical vent should have what FiO2 setting?

>0.50 up to 1.0

What is the range for flow triggering?


An intubated patient with COPD has auto-PEEP, what percentage of auto-PEEP should the PEEP be set at?

80% of patient auto-PEEP

If there is an auto-PEEP of 6 and the vent has a pressure trigger setting of 2cmH2O, how much effort is needed to trigger the ventilator?


With a PIP of 30cmH2O what are the appropriate settings for high and low alarms?

HIGH = 10-15cmH2O above PIP = 40-45 cmH2O

LOW = 5-10cmH2O below PIP = 20-25cmH2O

What should the apnea alarm time settings be for a patient on PC-IMV with 12bpm?

60 / 12 = 5 sec./breath

5 < apnea time > 5 x 2

5 < TA > 10

What are the appropriate low exhaled tidal volume alarm ranges for a patient set with 600ml?

LOW = 150-200ml < observed VT = 400-450ml

How do you minimize air trapping in mechanically ventilated patients?

Decrease I time to increase E time

What is the appropriate mode of ventilation and setting for a responsive COPD patient with an ideal body of 65kg who has a noncritical ABG?

BiPAP with IPAP 5-10cmH2O

EPAP with 2-5cmH2O

What is the first step in the assessment and documentation of patient-ventilator interaction following placement of a patient on a mechanical ventilator?

Verify the order

How often should the FiO2 of an adult be measured?

Every vent check

How long after beginning mechanical ventilation should an ABG be drawn?


What can increase PIP?

Reduced compliance

Increased Raw

Increased Pplat

What lung condition causes an increase in peak inspiratory pressure while trans airway pressure remains the same?


What is indicated when PIP is rising while Pplat remains the same?


Is it an airway issue or lung compliance issue when a patients transairway pressure is rising while the plateau pressure remains unchanged?

Airway issue

What should the high-pressure range be if a patient's average PIP is 28cmH2O?


Identify A, B, C, and D for the PC-CMV scalar:




D. Pplat

What is happening if the Vt inspired remains the same but the Vt expired is less?

All volume delivered is the same but the volume returned is less, therefore a leak is present

What would happen to the patients trachea when there is a pneumothorax vs. an atelectasis on the left lung?

Pneumothorax = shift away from affected side

Atelectasis = shift toward affected side

When percussion is done on patients who have pleural effusions , atelectasis, emphysema, and pneumothorax which ones will have hyperresonance and which will have dullness?

Dull = pneumonia and pleural effusion

Hyperresonance = asthma, pneumothorax, emphysema

Cuff pressures should not exceed what range?

20-25mmHg or 27-34cmH2O

To help inflated alveoli from collapsing and reexpanding with each breath, the PEEP level should be set at which point on the deflation part of the loop?

Above the lower inflection point

Low pressure and low VT alarms are sounding on a mechanically ventilated patient, the cuff pressure measures 18cmH2O, what action should you take?

Perform an MLT

If PIP and PEEP remain the same but exhaled tidal volume increases, what change is happening in the lungs?

Compliance is increasing

If PIP and Pplat are both increasing but the gradient between the 2 remains that same, what is happening in the lungs?

Worsening restriction

If PIP is increasing, but Pplat remains the same, what is happening in the lungs?

Obstruction issues

If PIP and Pplat are both increasing, but the gradient between the two pressures is also increasing, what is happening in the lungs?

Both obstructive and restrictive issues