the sodium nitroprusside-induced reduction in blood pressure led to a massive increase in plasma noradrenaline and adrenaline and in plasma renin activity . beta-blockade with bunitrolol did not affect the increased catecholamine concentrations , the increase in plasma renin activity was significantly reduced , the increase in heart rate was reversed , and total peripheral resistance and diastolic blood pressure were further reduced .
C0028351
noradrenaline
C0014563
adrenaline