Vent Settings AC vs SIMV | FiO2, Vt (Tidal Volume) | Differences, Advantages, Disadvantages | NURSING.com

October 28, 2014

This podcast covers the basics behind AC (assist control) and SIMV two of the most common vent modes you will see in your ICU/critical care unit.

Confused about ventilator settings in the ICU? No more! This podcast covers the basics behind AC (assist control) and SIMV (synchronized intermittent mandatory ventilation) two of the most common vent modes you will see in your ICU/critical care unit.

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SIMV vs AC

The goal of both SIMV and AC ventilator modes is to ensure proper ventilation/gas exchange for our patients. The major difference has to do with the tidal volume and how/when it is delivered. This concept is discussed in the episode along with some of the common vent settings like PEEP, Pressure Support, Tidal Volume, and FiO2.

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