the factors influencing blood pressure show circadian variability , in particular , plasma and urinary aldosterone , plasma deoxycorticosterone and urinary sodium ( factors implicated in cardiac output ) , angiotensin ii as measured by plasma renin activity , plasma and urinary epinephrine and norepinephrine , and plasma and urinary prostaglandins of the e series ( factors implicated in peripheral resistance ) .
C0014563
epinephrine
C0028351
norepinephrine