Evidence that phentolamine acts centrally to increase the contractile force of the heart.
D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002339:Carotid Arteries / Q000502:physiology; D004285:Dogs; D005260:Female; D005725:Ganglia, Autonomic / Q000187:drug effects / Q000502:physiology; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006584:Hexamethonium Compounds / Q000494:pharmacology; D008026:Ligation; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009476:Neurons, Efferent / Q000187:drug effects / Q000502:physiology; D005996:Nitroglycerin / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D010227:Parabiosis / Q000187:drug effects; D010477:Perfusion; D010646:Phentolamine / Q000494:pharmacology*; D013116:Spinal Cord / Q000502:physiology; D013562:Sympathectomy; D013748:Tetracaine / Q000494:pharmacology
D006584:Hexamethonium Compounds; D013748:Tetracaine; D005996:Nitroglycerin; D009638:Norepinephrine; D010646:Phentolamine