heart-lung preparation


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heart-·lung prep·a·ra·tion

an animal preparation in which blood (rendered incoagulable) circulates through the heart and lungs and through an artificial system of vessels representing the systemic circulation; the latter is connected with the divided aorta on the one hand and with the superior vena cava on the other; used in physiologic studies of the heart and circulation.
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heart-lung preparation

In animal studies and in open-heart surgery, the use of devices that take over the function of the heart and lungs while those organs are being treated or possibly replaced.
See also: preparation
Medical Dictionary, © 2009 Farlex and Partners