Effects of hypoventilation on the cardiovascular responses of rats to adrenaline and acetylcholine.


Blood pressure and pulse rate in response to administered adrenaline and acetylcholine during hypoventilation were studied in urethane-anaesthetized rats. Hypoventilation was induced by decreasing the stroke volume of artificial ventilation from 1 ml/100 g to 0.3 ml/100 g. There was a significant rise in pulse rate accompanied by minimal changes in blood… (More)


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