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国外研究表明,静息心率变化与冠心病预后有关。Crimm等观察了急性心肌梗塞(AMI)后最初3d内出现的单纯性窦性心动过速(ST)与预后的关系,发现有ST的患者病死率高于无ST者。Hjalmarson等报道,AMI后初诊心率≥90次/min者的1年病死率(41%)明显高于心率50～60次/min者(15%)。
Foreign studies have shown that changes in resting heart rate and coronary heart disease prognosis. Crimm et al observed the relationship between simple sinus tachycardia (ST) and prognosis in the first 3 days after acute myocardial infarction (AMI) and found that patients with ST had higher mortality than those without ST. Hjalmarson et al. Reported that the 1-year mortality rate (41%) in those newly diagnosed with AMI ≥ 90 beats / min after AMI was significantly higher than those with 50-60 beats / min (15%).