noradrenaline , adrenaline , isoprenaline , phenylephrine or dopamine ( 10 ( -9 ) -10 ( -5 ) m ) induced concentration-dependent positive chronotropic and inotropic responses in spontaneously-beating right- and electrically-driven left atria of rainbow lizards or tortoises .
C0014563
adrenaline
C1372804
positive chronotropic