Five signs your heart might be in serious danger: Chest Pain or Discomfort – A pressure, squeezing, or aching sensation that may radiate to the arm, back, neck, or jaw. Shortness of Breath – Trouble breathing, even at rest or with minimal exertion, could indicate heart failure. Heart Palpitations – A racing, pounding, or irregular heartbeat may signal an abnormal heart rhythm. Dizziness or Lightheadedness – Sudden dizziness, especially with other symptoms, can be a warning sign. Fainting or Near-Fainting – Losing consciousness or feeling close to it may suggest a serious heart issue. For medical concerns, consult a professional