目前使用的各种降压药都能有效地降低高血压患者的血压。有人认为,只要药物用量充足,各种类型和各种程度的高血压均能降至正常或接近正常的水平,而且各种降压药的疗效都非常满意。如是,评价各种降压药的作用强度和降压效果似已无临床意义。各种降压药的起效时间差异很大,这在高血压急症选用紧急降压药时有一定的重要性,文献中有关这方面的资料已很多,故此 The current use of various antihypertensive drugs can effectively reduce the blood pressure in hypertensive patients. Some people think that as long as adequate dosage of drugs, various types and levels of hypertension can be reduced to normal or near normal levels, and the efficacy of various antihypertensive drugs are very satisfied. If so, evaluation of the role of various antihypertensive drugs and antihypertensive effect seems to have no clinical significance. Various antihypertensive drugs have very different onset times, which are of some importance in the selection of emergency antihypertensive drugs in hypertensive emergencies. The literature has a lot of information on this, so