A heart attack occurs when blood supply to the heart is blocked, depriving it of oxygen. Heart attacks are often due to coronary artery disease caused by plaque buildup. Symptoms can be sudden or subtle, making awareness crucial. Key warning signs include chest pain—pressure, tightness, or burning that may radiate to the arms, neck, or back—shortness of breath due to fluid buildup in the lungs, and unexplained cold sweats. Nausea and vomiting, more common in women, are often mistaken for an upset stomach. Dizziness, extreme fatigue, and swelling in the legs can indicate reduced blood flow and poor circulation. Heart palpitations, loud snoring linked to sleep apnea, and a sudden sense of anxiety or impending doom may also signal a heart attack. Recognizing these signs early and seeking immediate medical treatment can save lives.
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