What to Do If You Think You're Having a Heart Attack

This is the most important step. Don't delay calling for help, even if you think the symptoms are going away.

Call 911 or your local emergency number

Aspirin can help to prevent blood clots from forming, which can further damage the heart.

Chew and swallow an aspirin while waiting for help to arrive

Nitroglycerin can help to open up the blood vessels in your heart, which can improve blood flow.

If you have nitroglycerin, take it as directed

This will help you to breathe more easily.

Loosen any tight clothing around your chest

It's important to stay calm and avoid getting too stressed out. This will help to keep your heart rate down and prevent further damage.

Stay calm

If you think you're having a heart attack, it's important to get help right away. The sooner you get treatment, the better your chances of survival and recovery.

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