Latest / WhiteBoard Medicine - Emergency And Critical Care
#262 Mechanical Ventilation Basics - I:E Ratio Made Simple for ICU & Emergency Care
The I:E ratio is one of the most important—and most misunderstood—settings in mechanical ventilation. In this episode, we break down the inspiratory-to-expiratory (I:E) ratio in a simple, practical way so you can understand how it impacts ventilation, gas exchange, and patient outcomes in the ICU and emergency department. We cover: What the I:E ratio actually represents How it affects airflow, CO₂ clearance, and oxygenation Why improper settings can lead to breath stacking and autoPEEP How to adjust the I:E ratio in obstructive vs restrictive lung disease Practical bedside applications in…
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