propranolol , in contrast , reduced lv dp/dt by 17 +/- 3.3 % and heart rate by 8.1 +/- 2.7 % ( p less than 0.05 ) while totally abolishing the hypotension , tachycardia and increase in lv dp/dt caused by isoprenaline .
C0039231
tachycardia
C0022245
isoprenaline