Effects of short-term isocapnic hyperoxia and hypoxia on cardiovascular function.

  title={Effects of short-term isocapnic hyperoxia and hypoxia on cardiovascular function.},
  author={Alastair J Thomson and Gordon Blair Drummond and William Stephen Waring and David J. Webb and Simon R J Maxwell},
  journal={Journal of applied physiology},
  volume={101 3},
Both hypoxia and hyperoxia have major effects on cardiovascular function. However, both states affect ventilation and many previous studies have not controlled CO(2) tension. We investigated whether hemodynamic effects previously attributed to modified O(2) tension were still apparent under isocapnic conditions. In eight healthy men, we studied blood pressure (BP), heart rate (HR), cardiac index (CI), systemic vascular resistance index (SVRI) and arterial stiffness (augmentation index, AI… CONTINUE READING


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