Mechanical Ventilation Basics - Waveforms/Scalars (Press, Flow, Volume) + Loops | Clinical Medicine

Ventilator waveforms, also known as scalars, and loops can be tricky topics to grasp. In this video we introduce the pressure, flow, and volume waveforms/scalars. We discuss their normal shapes, including how their shapes may change when the ventilator is in volume control versus pressure control. We correlate different parts of their shapes to what is happening physiologically or on the ventilator. We then go into how these shapes may change with different respiratory changes or ventilator adjustments. After that, we discuss the pressure:volume and flow:volume loops. Again, going into their normal shapes, including the lower and upper inflection points, and how these shapes may change depending on what respiratory abnormality is occurring.

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YouTube Video:

https://www.youtube.com/watch?v=8pKZ3XYCOio