dopexamine hydrochloride reduced the incidence and severity of arrhythmias in the early stages of ischemia : at a dose of 0.25 micrograms/kg/min , the total number of ectopic beats was reduced to 375 +/- 175 , from 1,250 +/- 330 in control rats ( p less than 0.05 ) .
C0003811
arrhythmias
C0340464
ectopic beats