Which of the following is NOT a sign or symptom of a heart attack?

In the context of heart attack symptoms, increased energy levels are not associated with a heart attack and are, in fact, misleading. During a heart attack, individuals commonly experience a range of distressing symptoms that signal a serious medical emergency. These symptoms typically include radiating chest pain, where discomfort often spreads to other areas such as the arms, neck, or jaw. Abdominal pain can also present itself, which may be mistaken for gastrointestinal issues. Additionally, shortness of breath is frequently reported, highlighting the respiratory distress that can accompany heart problems. In contrast, increased energy levels do not correlate with the physical strain and exhaustion typically felt during such an event, making this the correct response as it distinctly does not align with the other critical signs and symptoms indicative of a heart attack.