美国人平均寿命为72.8岁。这些老人常患有三种以上慢性疾病,其中至少有一种与心血管有关又常需药物治疗。心血管药物的疗效与它的用法是否得当有直接关系。老年生理变化改变药物的吸收、代谢、排泄,并使各种药物之间的协同或拮抗作用更复杂化。因此,对剂量及其配伍和注意事项是每个护理人员必 The average American life expectancy is 72.8 years. These elderly people often suffer from three or more chronic diseases, at least one of which is cardiovascular and often medications. The efficacy of cardiovascular drugs is directly related to whether it is used properly or not. Physiological change in the elderly alters the absorption, metabolism, excretion of drugs and complicates the synergistic or antagonistic effects of various drugs. Therefore, the dose and its compatibility and precautions each caregiver will