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目前治疗心绞痛有硝酸酯类、β受体阻滞剂及钙通道阻滞剂三类.本文对此三类药的选择指征提出意见.心绞痛可因心肌需氧超过供氧或供氧急剧减少所致,前者主要系冠状动脉有严重损害;后者以冠脉痉挛为主,它可发生在正常冠脉(致变异型心绞痛)由于临床一时不易分清病因而凭经验治疗.硝酸酯类药物对冠状血管有直接扩张作用。β
The current treatment of angina nitrates, β-blockers and calcium channel blockers in three categories.In this paper, the selection of these three types of drug indications.Acocardia may be due to oxygen over oxygen or oxygen abruptly decreased Due to severe coronary artery damage the former mainly to the latter mainly to coronary spasm, which can occur in the normal coronary artery (mutated angina) due to the clinical moment is not easy to distinguish the cause of empiric treatment of nitrates Coronary blood vessels have a direct expansion. β