at doses which had comparable effects on an exercise tachycardia , the non-selective beta-adrenoceptor antagonists , propranolol 40 mg and sotalol 200 mg , attenuated the finger response to isoprenaline ( dose ratios 33.3 and greater than 25.0 respectively ) more than the beta 1-selective adrenoceptor antagonists , practolol 120 mg and atenolol 50 mg ( dose ratios 1.0 and 2.3 respectively ) .
C0039231
tachycardia
C0022245
isoprenaline