From calling emergency services to performing CPR, learn the essential steps that medical experts say could save someone's life during a heart attack.

Many people can identify chest or arm pain as being a red flag for a heart attack but there are other signs which are much less known

"Women tend to present more with A-typical symptoms, sometimes just a few weeks of fatigue or just shortness of breathe, without any chest pain," said Dr. Fernando Boccalandro, a cardiologist with the Medical Center Hospital.