Ebook Mechanical ventilation in emergency medicine: Part 2
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Ebook Mechanical ventilation in emergency medicine: Part 2
Chapter 6is-Understanding the Ventilator ScreenVentilators at times seem intimidating as there are numerous waveforms and values on the screen. Additi Ebook Mechanical ventilation in emergency medicine: Part 2ionally, the data are presented slightly differently on the screens of each mechanical ventilator brand, increasing confusion. However, using the terms we have just reviewed, close inspection of ventilator screens will show that most of the waves and data are actually simple, given a little familiar Ebook Mechanical ventilation in emergency medicine: Part 2ity. To increase clinicians' comfort with ventilator screens, we have deliberately selected screenshots from a few different types of machines and modEbook Mechanical ventilation in emergency medicine: Part 2
es of ventilation. Additionally, we have changed the colors of the backgrounds to demonstrate that the presentation is less important than the data prChapter 6is-Understanding the Ventilator ScreenVentilators at times seem intimidating as there are numerous waveforms and values on the screen. Additi Ebook Mechanical ventilation in emergency medicine: Part 2's response is located at the top of the screen.2.Data are provided in both numerical and graphical contexts on the screen.3.Much like studying EKGs, interpreting flow lines simply comes with experience. Unlike EKGs. however, there are very few variations to know! Ventilators provide three types of Ebook Mechanical ventilation in emergency medicine: Part 2tracings: flow, pressure, and volume. Some mechanical ventilators show all three, while other brands allow theC'--______________ ,1 A r' nnm54 ChapterEbook Mechanical ventilation in emergency medicine: Part 2
6. Understanding the Ventilator ScreenPressureFlowVolumeFigure 6.1 Typical waveforms for pressure, flow, and volume areillustratedclinician to chooseChapter 6is-Understanding the Ventilator ScreenVentilators at times seem intimidating as there are numerous waveforms and values on the screen. Additi Ebook Mechanical ventilation in emergency medicine: Part 2 and volume waveforms on a ventilator screen. Please also refer the theoretical illustration of Fig. 2.5, highlighting the relationship between the volume, flow, and pressure.Examine the image of the mechanical ventilator screen in Fig. 6.2 closely and try to answer the following questions:1.What is Ebook Mechanical ventilation in emergency medicine: Part 2 the PEEP?2.What is the respiratory rate? (Hint: it is also known as the “frequency.”) Is the patient overbreathing? How could you tell?UnderstandingEbook Mechanical ventilation in emergency medicine: Part 2
the Ventilator Screen 55p~. p.» PEEP l:E f,„ v„ v,„,3112 5.3 1:2.5 24 522 13.2Figure 6.2 Example ventilator screen from an ICU patient3.What is the seChapter 6is-Understanding the Ventilator ScreenVentilators at times seem intimidating as there are numerous waveforms and values on the screen. Additi Ebook Mechanical ventilation in emergency medicine: Part 2E ratio? Is this set directly or indirectly on this particular patient?6.What is represented by the top tracing? What is represented by the bottom tracing? What value (pressure, flow, or volume) is not shown here?7.What is the minute ventilation?56 Chapter 6. Understanding the Ventilator ScreenAnswe Ebook Mechanical ventilation in emergency medicine: Part 2rs for Fig. 6.2:1.PEEPis5cmH2O2.The set RR is 24 (the frequency, or f). This patient is not overbreathing, as the rate up top is also 24.3.The set tidEbook Mechanical ventilation in emergency medicine: Part 2
al volume (VT) is 500. but the patient is receiving 522. This small variation is to be expected from breath to breath.4.The peak inspiratory pressure Chapter 6is-Understanding the Ventilator ScreenVentilators at times seem intimidating as there are numerous waveforms and values on the screen. Additi Ebook Mechanical ventilation in emergency medicine: Part 2any setting for the specific I:E ratio. Therefore, the I:E is set indirectly. Please refer to Chap. 5 for a discussion of setting the I:E indirectly.Chapter 6is-Understanding the Ventilator ScreenVentilators at times seem intimidating as there are numerous waveforms and values on the screen. AdditiGọi ngay
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