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02.07 Reading “A, C, V Waves” & PAWP Waveforms for CCRN Review

02.07 Reading “A, C, V Waves” & PAWP Waveforms for CCRN Review

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Laura Gasparis Vonfrolio
PhD,RN,CCRN
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Study Tools For 02.07 Reading “A, C, V Waves” & PAWP Waveforms for CCRN Review

Wiggers Diagram (Image)

Outline

Nursing Points

General

  1. Swan Ganz Catheter
    1. Pulmonary artery wedge pressure-> Air in balloon
      1. Visualize the QRS in regular strip (non-wedged)
      2. A wave after QRS
      3. V wave after T wave
        1. Giant V Waves
        2. Swan detects mitral insufficiency
          1. Left ventricle pushes blood back through mitral valve in to left atrium
          2. Is detectable on PAWP
      4. Measure A wave (before drop -> if there is one)
      5. C wave (“mushed together” with A wave- second bump of the “M”)

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