mean intra-arterial pressure ( p- ) , heart rate ( hr ) , cardiac index ( ci ) , total peripheral resistance index ( tpri ) , and plasma renin activity ( pra ) , norepinephrine ( pne ) , and epinephrine ( pe ) were estimated in five normal male subjects placed on a low-sodium diet for the previous 7 days .
C0028351
norepinephrine
C0014563
epinephrine