Your heart works every second of the day, but when something is wrong, the warning signs are not always dramatic. Some people expect heart trouble to feel like sudden crushing chest pain, but heart-related symptoms can also appear as shortness of breath, swelling in the legs, unusual fatigue, nausea, dizziness, or pain spreading to the jaw, arm, back, or shoulder.
These signs do not always mean a heart attack is happening. They can have many causes. But when they appear suddenly, become intense, or happen together, they should never beignored.
Heart attack symptoms may include chest pain or discomfort, shortness
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