Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Surgical Procedures, Operative > Extracorporeal Circulation > Heart Bypass, Left Terms and Definitions

Heart Bypass, Left

Medical Definition:	Diversion of the flow of blood from the pulmonary veins directly to the aorta, avoiding the left atrium and the left ventricle (Dorland, 27th ed). This is a temporary procedure usually performed to assist other surgical procedures.
Guide Notes:	temporary, a form of extracorp circ diverting blood from left atrium: differentiate from HEART BYPASS, RIGHT, a permanent form of heart surg, & from CARDIOPULMONARY BYPASS, another type of extracorp circ diverting blood from right atrium

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