體外循環
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體外循環：體外循環是指應用人工管道將人體大血管與人工心肺機連接，從靜脈系統引出靜脈血，并在體外氧合，再經血泵將氧合血輸回動脈系統的全過程，又稱心肺轉流，主要應用于心臟、大血管手術。
Extracorporeal circulation: The technique of mechanically circulating the blood so the heart doesn't have to. The device used for ECC is called the heart-lung machine or the cardiopulmonary bypass circuit. This device drains the blue blood from the patient, places
oxygen in the blood, and returns (or pumps) the red blood back into the aorta for distribution to the whole body. To prevent clotting in the heart-lung circuit, strong anticoagulation with heparin is needed.
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