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慢性心律失常的长期治疗目前仍属难题。从流行病学观察,健康人中有0.5～50％会出现心律失常,并随年龄的增长而增多。无明显基础疾病的室上性及室性过早搏动显然并不影响患者的寿命,而有心血管疾病的室性过早搏动患者的死亡率则高于对照组。急性心肌炎发生的过早搏动,其预后似乎良好。冠心病患者于心绞痛时或心肌梗塞
Long-term treatment of chronic arrhythmia is still a problem. From the epidemiological point of view, 0.5 to 50% of healthy people will appear arrhythmia, and increased with age. Supraventricular and ventricular premature beats without apparent underlying disease apparently did not affect the patient’s lifespan, whereas those with premature ventricular premature beats in cardiovascular disease were higher than controls. Acute myocarditis occurs premature beats, the prognosis seems good. Coronary heart disease in patients with angina or myocardial infarction