[Effect of practolol on experimental hypertension in dogs].

In the dog, the intra-venous injection of practolol (1 to 3 mg/kg) reduces the hypertension provoked by vagotomy and sino-aortic nerves section, or by intra-venous administration of potassium cyanide. But practolol differs from propranolol ; he does not modify hypertension observed after electrical stimulation of central end of saphene, laryngeal superior, or vagus nerf.