Human cardiovascular adjustments to acute hypoxaemia.

  title={Human cardiovascular adjustments to acute hypoxaemia.},
  author={Loring B. Rowell and J R Blackmon},
  journal={Clinical physiology},
  volume={7 5},
Traditionally, cardiovascular adjustments to hypoxaemia are viewed as resultants of competing local vasodilation and vasoconstriction via arterial chemoreflexes with net effects of increased cerebral and coronary blood flows (local) and reduced flow to visceral organs and muscle (reflex). Although true in asphyxia, breathing activates lung mechanoreceptors which reduce vagal outflow and apparently, in humans, abolishes sympathetic vasomotor activity (SNA). During rest, moderate to severe… CONTINUE READING
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