Medicine: Backward Flow

The heart is a pump but also a living organ: while it is pumping blood to the rest of the body, it has to keep up its own blood supply. When it fails to get enough blood, there is trouble. Plugging of a coronary artery (coronary thrombosis) is one of the commonest reasons why the heart fails to get enough blood.

For some 16 years Dr. Claude S. Beck of Cleveland's Western Reserve University has been trying to find a safe way to give back enough blood to a starving heart to keep it going. A new Beck technique is reported in...

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