Podcast
Questions and Answers
What does minute ventilation measure?
What does minute ventilation measure?
- Pressure difference between plateau and PEEP
- Ratio of tidal volume to respiratory rate
- Volume of gas inspired over one minute (correct)
- Change in pressure during inspiration
If a patient is 'over-breathing' the ventilator, what adjustment should be made?
If a patient is 'over-breathing' the ventilator, what adjustment should be made?
- Decrease tidal volume
- Decrease respiratory rate
- Decrease compliance
- Increase minute ventilation (correct)
How is compliance calculated in relation to ventilation?
How is compliance calculated in relation to ventilation?
- Pressure difference between inspiration and expiration
- Difference between plateau pressure and PEEP
- Ratio of tidal volume to respiratory rate
- Volume divided by pressure change (correct)
In a patient with decreased lung compliance, what is expected of their inspiratory pressure?
In a patient with decreased lung compliance, what is expected of their inspiratory pressure?
What adjustment can help a patient with increased PaCO2 from respiratory acidosis?
What adjustment can help a patient with increased PaCO2 from respiratory acidosis?
What happens to minute ventilation if tidal volume is increased?
What happens to minute ventilation if tidal volume is increased?
What is the independent variable in a volume-regulated mode on a ventilator?
What is the independent variable in a volume-regulated mode on a ventilator?
In a pressure-regulated mode on a ventilator, what is the dependent variable?
In a pressure-regulated mode on a ventilator, what is the dependent variable?
For a set of non-compliant, stiff lungs, which mode of ventilation may result in a smaller tidal volume delivery?
For a set of non-compliant, stiff lungs, which mode of ventilation may result in a smaller tidal volume delivery?
How does lung compliance affect the inspiratory/plateau pressure needed to deliver a certain tidal volume?
How does lung compliance affect the inspiratory/plateau pressure needed to deliver a certain tidal volume?
Which type of lungs can accept more volume at the same inspiratory pressure?
Which type of lungs can accept more volume at the same inspiratory pressure?
What are typical initial ventilator settings for a newly intubated patient without underlying lung disease based on the text?
What are typical initial ventilator settings for a newly intubated patient without underlying lung disease based on the text?
What does PIP stand for in the context of mechanical ventilation?
What does PIP stand for in the context of mechanical ventilation?
Which parameter helps to distinguish whether changes in airway pressure are due to lung stiffness or a flow-dependent issue?
Which parameter helps to distinguish whether changes in airway pressure are due to lung stiffness or a flow-dependent issue?
What does Cdyn represent in the context of mechanical ventilation?
What does Cdyn represent in the context of mechanical ventilation?
How is I:E ratio described in a person without an underlying lung disease?
How is I:E ratio described in a person without an underlying lung disease?
Why is Pplat often slightly lower than PIP during mechanical ventilation?
Why is Pplat often slightly lower than PIP during mechanical ventilation?
How is VT/kg BW measured in mechanical ventilation?
How is VT/kg BW measured in mechanical ventilation?
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