Volume loading and heart rate.
D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D003714:Denervation; D004285:Dogs; D006321:Heart / Q000294:innervation*; D006339:Heart Rate; D007263:Infusions, Parenteral; D008954:Models, Biological; D010275:Parasympathetic Nervous System / Q000502:physiology*; D011433:Propranolol / Q000494:pharmacology*; D012849:Sinoatrial Node / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology
D000319:Adrenergic beta-Antagonists; D011433:Propranolol