称为心动过缓
It is called bradycardia
以上为机器翻译结果，长、整句建议使用 人工翻译 。
放慢心率是指心动过缓，心率加快，称为心动过速。
The slowed heart rate is refer to bradycardia, and the accelerated heart rate is known as tachycardia.
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