# SEMechanicalVentilation flow and pressure

**URL:** https://discourse.kitware.com/t/semechanicalventilation-flow-and-pressure/1560
**Category:** Pulse Physiology Engine
**Created:** [October 17, 2025, 12:25am UTC](https://discourse.kitware.com/t/semechanicalventilation-flow-and-pressure/1560 "2025-10-17T00:25:38Z")
**Posts on this page:** 3
**Page:** 1

<div class="post-metadata">

### Author: ![di.sheng](https://discourse.kitware.com/letter_avatar_proxy/v4/letter/d/9e8a1a/32.png) [@di.sheng](https://discourse.kitware.com/u/di.sheng)
#### Post date: [October 17, 2025, 12:25am UTC](https://discourse.kitware.com/t/semechanicalventilation-flow-and-pressure/1560/1 "2025-10-17T00:25:38Z")

</div>

Hi,

For SEMechanicalVentilation, when set pressure or flow, are they airway pressure/flow or lung pressure/flow?

Thank you.

---

<div class="post-metadata">

### Author: ![coolwebb](https://discourse.kitware.com/user_avatar/discourse.kitware.com/coolwebb/32/25_2.png) [@coolwebb](https://discourse.kitware.com/u/coolwebb)
#### Post date: [October 17, 2025, 12:22pm UTC](https://discourse.kitware.com/t/semechanicalventilation-flow-and-pressure/1560/2 "2025-10-17T12:22:05Z")

</div>

The settings correspond to the ventilator’s delivered pressure or flow, which is nominally the same as the airway value.

---

<div class="post-metadata">

### Author: ![di.sheng](https://discourse.kitware.com/letter_avatar_proxy/v4/letter/d/9e8a1a/32.png) [@di.sheng](https://discourse.kitware.com/u/di.sheng)
#### Post date: [October 21, 2025, 12:53am UTC](https://discourse.kitware.com/t/semechanicalventilation-flow-and-pressure/1560/3 "2025-10-21T00:53:26Z")

</div>

Hi Jeff,

Thank you!