Effect of tachycardia on cardiac output during normal and increased venous return.
D000818:Animals; D001775:Blood Circulation; D002302:Cardiac Output; D004285:Dogs; D006352:Heart Ventricles / Q000503:physiopathology; D006584:Hexamethonium Compounds / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D013610:Tachycardia / Q000503:physiopathology*
D006584:Hexamethonium Compounds; D009638:Norepinephrine