noradrenaline ( 6.0 and 12 microm ) and adrenaline ( 4.0 and 8.0 microm ) injections caused marked but transient ( 5 min ) dose-related increases in atrial tension compared with preinjection control values , whereas carbachol ( 0.14 and 1.4 microm ) caused a more potent and prolonged ( over 15 min ) dose-related decrease in atrial tension development .
C0028351
noradrenaline
C0014563
adrenaline