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diastasis

Pronunciation: di-as'ta-sis

Definition:

  1. Any simple separation of normally joined parts.
  2. The midportion of diastole when the blood enters the ventricle slowly or ceases to enter prior to atrial systole. Diastasis duration is in inverse proportion to heart rate and is absent at very high heart rates.

Synonym(s): divarication

[G. a separation]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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