Cardiovascular pharmacology of two new beta-adrenergic receptor antagonists.

Animals Blood Circulation/drug effects Blood Flow Velocity Blood Pressure/drug effects Cardiac Output/drug effects Cats Coronary Vessels/drug effects Dogs Dye Dilution Technique Electric Stimulation Electrocardiography Epinephrine/pharmacology Ethanolamines/pharmacology Heart/drug effects Heart Rate/drug effects In Vitro Techniques Isoproterenol/pharmacology Norepinephrine/pharmacology Ouabain/toxicity Rabbits Sympatholytics/pharmacology,toxicity Vascular Resistance/drug effects

Ethanolamines Sympatholytics Ouabain Isoproterenol Norepinephrine Epinephrine