Common symptoms of a heart attack may include chest pain or discomfort, shortness of breath, nausea, and lightheadedness. Individuals may also experience pain or discomfort in the arms, back, neck, jaw, or stomach. Symptoms can vary significantly between men and women, with women often experiencing less typical signs such as fatigue or indigestion. Recognizing these warning signs is vital for prompt medical intervention and can significantly improve outcomes following a heart attack.