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Dr. Cohen focuses on the application of physics and engineering to solve problems in biology and medicine, particularly in developing cardiovascular diagnostic and therapeutic technologies. He has developed a noninvasive measurement of microvolt level fluctuations in electrocardiographic signals to identify individuals at risk for sudden cardiac death form heart rhythm disturbances. Cambridge Heart, Incorporated, a company that Dr. Cohen helped found , has commercialized this technology, called the measurement of microvolt T-wave alternans. The technology has been successfully tested in a wide range of international clinical trials and is being introduced into widespread clinical practice.
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