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  1. Warning Signs of a Heart Attack - American Heart Association

    Dec 12, 2024 · What are the warning signs of a heart attack? They include chest discomfort, arm, neck and jaw pain, shortness of breath, and more.

  2. 12 Early Signs That You Might Have a Heart Attack - Verywell Health

    Dec 15, 2025 · Shortness of breath and chest heaviness may indicate a heart attack is coming. If you feel these signs, call 911 right away and consider taking aspirin. Before a heart attack, symptoms like …

  3. Heart attack - Symptoms & causes - Mayo Clinic

    Some people have mild symptoms. Others have severe symptoms. Some people have no symptoms. Common heart attack symptoms include: Chest pain that may feel like pressure, tightness, pain, …

  4. Warning Signs of a Heart Attack - Cleveland Clinic Health Essentials

    Early warning signs of a heart attack include fleeting episodes of chest pain and fatigue that occur hours or days beforehand.

  5. About Heart Attack Symptoms, Risk, and Recovery

    Oct 24, 2024 · Most heart attacks involve discomfort in the center or left side of the chest that lasts for more than a few minutes or that goes away and comes back. The discomfort can feel like …

  6. Heart Attack: Symptoms, Causes, Diagnosis, Prevention, More

    Jul 16, 2025 · Chest pain is the most common warning sign of a heart attack. But other symptoms can also occur, like lightheadedness, nausea, and shortness of breath. Symptoms can be severe or mild …

  7. Heart Attack: Causes, Symptoms, and Treatment - WebMD

    Jun 19, 2025 · Knowing the symptoms of a heart attack can save lives. Learn how to recognize the warning signs and take immediate action with this informative guide.

  8. Heart Attack: Symptoms, Causes, How To Help | Red Cross

    Signs and symptoms of a heart attack vary from person to person and can be different in women than they are in men. Even people who have had a heart attack before may not experience the same …

  9. Heart attack (myocardial infarction) - Harvard Health

    Jan 26, 2026 · What is a heart attack? A heart attack occurs when one of the heart's coronary arteries is blocked suddenly or has extremely slow blood flow. A heart attack also is called a myocardial …

  10. Heart Attack: Symptoms, Signs & Causes | Mass General Brigham

    Most heart attacks are sudden, but others cause symptoms hours or days before the heart attack occurs. Most heart attack victims report chest pain, and many report shortness of breath and pain …