Harvard Heart Letter

Dial 911 when a heart attack has your number

Calling for help is the best way to start treating a heart attack.

When a heart attack strikes, two steps can help you protect your heart, and your life. First, recognize you are having a heart attack. Second, call 911 or your local emergency number.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »