What happens to the peak inspiratory pressure (PIP) when compliance decreases by half?
Understand the Problem
The question is asking about the relationship between peak inspiratory pressure (PIP) and lung compliance. Specifically, it seeks to understand how a decrease in compliance by half affects the PIP value during mechanical ventilation.
Answer
When compliance decreases by half, PIP increases.
The final answer is that when compliance decreases by half, peak inspiratory pressure (PIP) increases.
Answer for screen readers
The final answer is that when compliance decreases by half, peak inspiratory pressure (PIP) increases.
More Information
Lung compliance refers to the lung's ability to stretch and expand. When compliance decreases, the lungs become stiffer, requiring more pressure to deliver the same tidal volume, hence causing an increase in PIP.
Tips
A common mistake is confusing compliance with resistance. Compliance is about lung elasticity, while resistance relates to airway obstruction. Ensure to differentiate between these two when assessing changes in PIP.
Sources
- Peak inspiratory pressure - Wikipedia - en.wikipedia.org
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