hypersystole

hy·per·sys·to·le

(hī'pĕr-sis'tō-lē),
Abnormal force or duration of the cardiac systole.

hypersystole

(hī″pĕr-sĭs′tō-lē) [″ + systole, contraction]
Unusual force or duration of systole.
hypersystolic (-sĭs-tŏl′ĭk), adjective
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References in periodicals archive ?
* Uterine hyperstimulation include Tachysystole or Hypersystole with or without foetal heart rate changes.
* Hypersystole: Defined as single contraction lasting 2 mins or more in duration.