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This probably isn't what singer Hank Williams had in mind, but this is a cheating heart. "This huge vessel has a fistula. It pretends it's pumping blood," Dr. Oz says. "The reason this vessel is so large and serpentine is that it's actually dumping blood into the heart without giving it the nourishment that it needs. Sometimes kids and young adults have this problem, and it can cause chest pain." What is collateral supply? |