Effect of changing potassium concentration on autonomic control of the sinus node.
D000818:Animals; D001341:Autonomic Nervous System / Q000502:physiology*; D004285:Dogs; D004562:Electrocardiography; D011188:Potassium / Q000378:metabolism / Q000502:physiology*; D012849:Sinoatrial Node / Q000294:innervation / Q000502:physiology*
D011188:Potassium