Changes in Arterial Pressure during Mechanical Ventilation

  title={Changes in Arterial Pressure during Mechanical Ventilation},
  author={David C. Warltier},
Mechanical ventilation induces cyclic changes in vena cava blood flow, pulmonary artery blood flow, and aortic blood flow. At the bedside, respiratory changes in aortic blood flow are reflected by “swings” in blood pressure whose magnitude is highly dependent on volume status. During the past few years, many studies have demonstrated that arterial pressure variation is neither an indicator of blood volume nor a marker of cardiac preload but a predictor of fluid responsiveness. That is, these… CONTINUE READING
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