Transcript for Women's Health Study: Signs, Symptoms of Heart Attack
We turn to health news now and an important alert about heart disease. It's the number one killer of women in the country and a new study finds too many women fail to recognize the sips until it's too late. ABC's aditi Roy has more on the dangerous signs to watch for. You okay? I'm fine. You sure? Reporter: It's the number one killer of women in the U.S. With celebs like Rosie o'donnell. I had a major heart attack. The pain can be anywhere. It could be your arm, it could be your jaw. Your shoulder, your neck. Mom. Reporter: Elizabeth banks bringing attention to the cause. Make it your mission to save your life. Reporter: Heart disease kills 1 in 3 women every year. That's one woman every minute. But this morning a new study shows what women don't know about heart disease could kill them. What we know is that the signs and symptoms of a heart attack in women can be very vague and they can mimic the signs and symptoms of very common things. Reporter: Researchers at the Yale school of public health interviewed 30 women between the ages of 30 and 55 who had heart attacks and found all delayed treatment because they didn't recognize the symptoms or lacked knowledge of their risk factors. So how can you recognize a heart attack? Chest pain is still the most common symptom of a heart attack. There can be shortness of breath, fatigue, almost flu-like symptom, nausea, abdominal pain, vomiting. Reporter: Tips that could make all the difference. For "Good morning America," aditi Roy, ABC news, San Francisco. I never would have guessed those final symptoms. Absolutely. They have been talking about that. Sometimes even they say doctors misdiagnose it with women, as well. A lot to think about.
This transcript has been automatically generated and may not be 100% accurate.