Plateau pressure is measured during an inspiratory hold; what is the recommended upper limit to minimize risk of volutrauma?

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Study for the Mechanical Vent 2 Exam 2. Prepare with flashcards and multiple-choice questions that include detailed explanations and hints. Ace your exam with confidence!

Multiple Choice

Plateau pressure is measured during an inspiratory hold; what is the recommended upper limit to minimize risk of volutrauma?

Explanation:
Plateau pressure reflects the pressure in the alveoli when airflow is momentarily stopped, isolating the distending pressure from airway resistance. This value reveals how stiff the lung is and how much tidal volume is overdistending the alveoli. To minimize volutrauma, keep plateau pressure at or below 30 cm H2O. Values well below that ceiling are safer, but the key point is avoiding pressures above 30 cm H2O, which increase the risk of alveolar overdistension and lung injury.

Plateau pressure reflects the pressure in the alveoli when airflow is momentarily stopped, isolating the distending pressure from airway resistance. This value reveals how stiff the lung is and how much tidal volume is overdistending the alveoli. To minimize volutrauma, keep plateau pressure at or below 30 cm H2O. Values well below that ceiling are safer, but the key point is avoiding pressures above 30 cm H2O, which increase the risk of alveolar overdistension and lung injury.

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