There is a 1:1 relationship between PEEP and mean airway pressure; for every 1 cm H2O increase in PEEP, mean airway pressure increases by how much?

Enhance your readiness for the MEDNAX Neonatal Nurse Practitioner Exam. Utilize flashcards, multiple-choice questions, and detailed explanations. Equip yourself for success!

Multiple Choice

There is a 1:1 relationship between PEEP and mean airway pressure; for every 1 cm H2O increase in PEEP, mean airway pressure increases by how much?

Explanation:
Raising PEEP raises the baseline pressure in the airways throughout the respiratory cycle. If you increase PEEP by 1 cm H2O and keep peak inspiratory pressure and inspiratory time constant, the mean airway pressure increases by about the same amount. This 1:1 relationship means a 1 cm H2O rise in PEEP yields roughly a 1 cm H2O rise in mean airway pressure, helping with alveolar recruitment and oxygenation while also potentially increasing intrathoracic pressure.

Raising PEEP raises the baseline pressure in the airways throughout the respiratory cycle. If you increase PEEP by 1 cm H2O and keep peak inspiratory pressure and inspiratory time constant, the mean airway pressure increases by about the same amount. This 1:1 relationship means a 1 cm H2O rise in PEEP yields roughly a 1 cm H2O rise in mean airway pressure, helping with alveolar recruitment and oxygenation while also potentially increasing intrathoracic pressure.

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