This Startup’s 4-Minute AI Test Could Prevent Deaths From a Common Killer. Here’s How It Works

Some 22 million Americans live in counties with no cardiologist. One startup thinks AI can fill the gap.

BY KOLAWOLE ADEBAYO, COLUMNIST

Illustration: Getty Images

Heart disease killed 683,037 Americans in 2024, making it the country’s leading cause of death—a position it has held, according to the CDC, since 1950. Yet for millions of patients, the first line of cardiac defense remains a treadmill stress test standardized in the 1960s—a tool that a growing number of cardiologists........

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