l-isoproterenol ( 0.05-0.5 mug i.c . ) and trimetoquinol ( 0.5-3 mug i.c . ) , a beta-sympathomimetic agent , usually caused a fall in blood pressure with a tachycardia , which was reduced after treatment with propranolol ( 10-50 mug i.c . ) , but trimetoquinol was inclined to cause a rise in blood pressure with a tachycardia .
C0022245
isoproterenol
C0039231
tachycardia