acetylcholine ( ach 2-25 micrograms/kg ) , in doses which did not cause bradycardia or hypotension , induced appearance of spontaneous vf ( duration 2-60 sec . ) in 9/20 rats which have a high sympathetic autoregulation and in 3/6 cats only , 20-40 secs after the latter had been given adrenaline .
C0042510
vf
C0014563
adrenaline