名词
中文翻译：额外收缩
同义词：
['extrasystolic', 'extrasystolic pressure']
例句：
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1.The patient's heart rate was elevated during the extrasystole.
在额外收缩期间，患者的心率升高。
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2. During an extrasystole, the blood pressure can be dangerously high.
在额外收缩期间，血压可能会危险地高。
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3. Doctors monitor the patient's heart rate and blood pressure during extrasystoles to ensure safety.
医生在额外收缩期间监测患者的心率和血压，以确保安全。