a study of the effect of propranolol on the central hemodynamics using the polycardiographic method in 90 patients with essential hypertension showed that in 83 % of them , disregarding the type of hemodynamics , beta-blocker made a negative chronotropic effect , and in 17 % of the patients it increased the heart rate .
C0033497
propranolol
C1372752
negative chronotropic