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尽管β—阻滞剂能有效地降低心肌梗塞患者的心肌耗氧量,但可减少心输出量,尤其对大范围梗塞者,其抑制心肌作用可导致心衰。钙拮抗剂硝苯吡啶为一强有力的血管扩张剂,它扩张外周血管和冠动脉,促进心肌氧平衡。本文观察26例早期急性心肌梗塞(AMI)
Although β-blockers can effectively reduce myocardial oxygen consumption in patients with myocardial infarction, but can reduce the amount of cardiac output, especially in large infarcts, its inhibition of myocardial function can lead to heart failure. Nifedipine is a potent vasodilator that expands peripheral blood vessels and coronary arteries and promotes myocardial oxygen balance. This article observed 26 cases of early acute myocardial infarction (AMI)