blood pressure ( mmhg ) , plasma renin activity ( radioimmunoassay of angiotensin i , ng/ml/h ) , plasma concentrations of aldosterone ( direct radioimmuno-assay , pg/ml ) , adrenaline and noradrenaline ( radioenzymatic assay with catechol-o-methyl transferase , pg/ml ) were measured after 1 h of supine rest , 5 mn upright and after walking 1 h .
C0014563
adrenaline
C0028351
noradrenaline