Medicine: And the Beat Goes On

And the Beat Goes On Clark has a setback, but the artificial heart keeps pumping

Barney Clark's heart was the least of his worries last week, and that was a welcome change. The air-powered artificial heart permanently implanted in place of his own failing organ continued to work perfectly, just as it had from the time of the landmark operation in Salt Lake City on Dec. 1. The plastic pump clicked steadily at an unvarying 90 beats a minute as Clark made remarkable initial progress. And it pulsed without pause as Clark suffered, and survived,...

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