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词汇 extrasystole
释义

Definition of extrasystole in English:

extrasystole

noun ˌɛkstrəˈsɪst(ə)liˌɛkstrəˈsɪstəli
Medicine
  • A heartbeat outside the normal rhythm, as often occurs in normal individuals.

    〔医〕(心脏)期外收缩,过早收缩

    Example sentencesExamples
    • Ventricular extrasystoles are also common and, in the context of the structurally normal heart, are almost always benign
    • Toxic effects include anorexia, nausea, vomiting, headache, drowsiness, and visual disturbances, as well as extrasystoles and excessive slowing of the heart rate.
    • Ventricular tachycardia is defined as three or more ventricular extrasystoles in succession at a rate of more than 120 beats/min.
    • The presence of extrasystoles that have been induced by exercise is neither sensitive nor specific for coronary artery disease.
    • Many patients with heart failure, however, show complex ventricular extrasystoles on 24 hour monitoring.

Definition of extrasystole in US English:

extrasystole

nounˌekstrəˈsistəlēˌɛkstrəˈsɪstəli
Medicine
  • A heartbeat outside the normal rhythm, as often occurs in normal individuals.

    〔医〕(心脏)期外收缩,过早收缩

    Example sentencesExamples
    • Ventricular tachycardia is defined as three or more ventricular extrasystoles in succession at a rate of more than 120 beats/min.
    • Toxic effects include anorexia, nausea, vomiting, headache, drowsiness, and visual disturbances, as well as extrasystoles and excessive slowing of the heart rate.
    • Ventricular extrasystoles are also common and, in the context of the structurally normal heart, are almost always benign
    • The presence of extrasystoles that have been induced by exercise is neither sensitive nor specific for coronary artery disease.
    • Many patients with heart failure, however, show complex ventricular extrasystoles on 24 hour monitoring.
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