heart-lung machine

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heart-lung machine

heart-lung machine device that maintains the circulation of the blood and the oxygen content of the body when connected with the arteriovenous system; it is also called the pump oxygenator. The machine is used in open-heart surgery when it is necessary to effect a bypass of the circulatory system of the heart and lungs. The oxygenator repeatedly draws off the blood from the veins, reoxygenates it, and pumps it into the arterial system. The contractions of the heart are halted by running a potassium citrate solution through the coronary vessels. The surgeon is thus enabled to open the heart and make the necessary repairs while the heart is still and his view is not obstructed by blood.

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"heart-lung machine." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 6 Dec. 2009 <http://www.encyclopedia.com>.

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heart-lung machine

A Dictionary of Nursing | 2008 | Â© A Dictionary of Nursing 2008, originally published by Oxford University Press 2008. (Hide copyright information) Copyright

heart-lung machine n. an apparatus for taking over temporarily the functions of both the heart and the lungs during heart surgery. It incorporates a pump, to maintain the circulation, and equipment to oxygenate the blood.

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"heart-lung machine." A Dictionary of Nursing. Oxford University Press. 2008. Encyclopedia.com. 6 Dec. 2009 <http://www.encyclopedia.com>.

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heart-lung machine

World Encyclopedia | 2005 | Â© World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

heart-lung machine Apparatus used during some surgery to take over the function of the heart and lungs. It consists of a pump to circulate blood around the body and special equipment to add oxygen to the blood and remove carbon dioxide.

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	Sorin Group Receives Approval to Market S5 Heart-Lung Machine in Japan and Announces Landmark Shipment of 7000th Heart-Lung Machine. Business Wire; 4/21/2008
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	Sorin Group Announces US Market Clearance for Stockert S5 Heart-Lung Machine; New, Modular Perfusion System Offers Better Safety and Standard of Care for Hospitals.(Company overview) Business Wire; 7/26/2006

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