Word: radiocardiograph
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Help from Dogs. Columnist Deutsch also repeated a conversation with Dr. Prinzmetal at a medical meeting in Chicago last summer, when Hearst's doctor was demonstrating an earlier heart technique involving radioactive sodium (TIME, July 5). Dr. Prinzmetal said he had tested his radiocardiograph on "scores" of dogs before it was used on humans and "our development of the radiocardiograph would have been impossible without dog experimentation." Asked Deutsch: "Then you don't advocate anti-vivisection?" Replied Dr. Prinzmetal: "On the contrary . . . medical research would be crippled without judicious use of animal experimentation...
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