Cardiac arrest kills more than three hundred thousand people in the United States every year. 在美国，每一年有超过三十万人由于心搏停止而丧失性命。
Sustained chronic tachyarrhythmias often lead to cardiac dysfunction known as tachycardia-induced cardiomyopathy or tachycardiomyopathy. 摘要持续性的心搏过速会造成心脏功能变差，称之为心搏过速引发之心肌症。
