A coronary stent is a tube placed in the coronary arteries that supply the heart, to keep the arteries open in the treatment of coronary heart disease. It is used in a procedure called percutaneous coronary intervention (PCI). Stents reduce chest pain and have been shown to improve survivability in the event of an acute myocardial infarction. Simi...
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http://en.wikipedia.org/wiki/Coronary_stent
(from the article `Health and Disease`) ...year indicated that common treatments for coronary artery disease were being used inappropriately, to the detriment of patients and at enormous ...
Found on
http://www.britannica.com/eb/a-z/c/144
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