Medical Dictionary

counterpulsation

noun coun·ter·pul·sa·tion \-ˌpəl-ˌsā-shən\

Medical Definition of COUNTERPULSATION

:  a technique for reducing the workload on the heart by lowering systemic blood pressure just before or during expulsion of blood from the ventricle and by raising blood pressure during diastole—see intra-aortic balloon counterpulsation
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