If you die of natural causes, odds are it will be from heart disease, the top killer of Americans. So if you're having possible symptoms of a heart attack, get help fast.

End of public service announcement, and now for some news on a big debate among heart specialists. The prevailing wisdom holds that women tend to experience heart attack symptoms differently from men. Men's symptoms tend to center on crushing chest pain, traditional thinking goes—that's long been known as "typical angina" — while women are more likely to have other or additional symptoms: fatigue, nausea, sweating, pain in the arm, shoulder or back—that's known as "atypical angina."

But new Boston-based research used artificial intelligence to analyze how hundreds of patients described their symptoms in their own words, and it challenges that dogma.