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When the heart builds up blockages, it is often in more than one place. In this illustration, the patient has developed a 100% blockage of one artery (the Right Coronary  Artery), while another vessel has several blockages including one at a branch point between the LAD and circumflex. Catheter techniques such as PTCA are of limited utility in both of these types of situations. In this illustration, a bypass surgery is being performed. Veins are taken from the leg, and sewn to the aorta, and then to the coronary arteries beyond the blockages. 


The artery to the breast on the left (the left internal mammary artery or "LIMA") can be freed from the inside of the breast and used to bypass the left anterior descending coronary artery or its branches. In some cases , the right internal mammary artery (" RIMA") can be used to bypass the right coronary artery.

©COPY;1997 HeartPoint   Updated July 1997


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This site presents material for your information, education and entertainment. We can assume no liability for inaccuracies, errors, or omissions. Above all, material on this site should not take the place of the care you receive from a personal physician. It is simply designed to help in the understanding of the heart and heart disease, and not as a diagnostic or therapeutic aid. You should seek prompt medical care for any specific health issues. Please feel free to browse the site and download material for personal and non-commercial use. You may not however distribute, modify, transmit or reuse any of these materials for public or commercial use. You should assume that all contents of the site are copyrighted. ©COPY;1997 HeartPoint