What should I do if I think someone is having a heart attack?

If you suspect the person is having a heart attack based on his or her signals, call 911 or the local emergency number immediately.

A person having a heart attack probably will deny that any signal is serious. Do not let this influence you. If you think the person might be having a heart attack, act quickly.

If you think that you or someone you know is having a heart attack, you should call 911 immediately.

Why is there a need to act fast? Death or permanent disability can result from a heart attack. The risk of death or permanent damage can be reduced with timely treatment. Some newer treatments need to be given soon after the onset of a heart attack in order to be effective. It is important to know the symptoms of a heart attack and act right away.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.