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counterpulsation

Pronunciation: kown'ter-pul-sa'shun

Definition: A means of assisting the failing heart by automatically removing arterial blood just before and during ventricular ejection and returning it to the circulation during diastole; a balloon catheter is inserted into the aorta and activated by an automatic mechanism triggered by the ECG.

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

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