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Heart attack warning signs
Know the warning signs of a heart attack and what to do right away.
Call 911
If you think you or someone else is having a heart attack, call 911 right away. Do not drive yourself to the hospital. Fast treatment saves heart muscle.
Common warning signs
- Chest pain, pressure or squeezing that lasts more than a few minutes or comes and goes
- Pain or discomfort in the arms, back, neck, jaw or stomach
- Shortness of breath
- Cold sweat, nausea or lightheadedness
Signs can differ
Women, older adults and people with diabetes may have less typical symptoms, such as unusual tiredness, shortness of breath or nausea without obvious chest pain.
Lower your risk
- Manage blood pressure, cholesterol and blood sugar
- Do not smoke
- Stay active and eat a heart-healthy diet
Last reviewed: October 28, 2026