Here are some helpful pointers that culd help you spot a heart attack.

The following symptoms suggest a heart attack:

• Chest pain or pressure (heaviness)
   
• Jaw pain, or extension of pain into the arms or shoulder
   
• Unexplained shortness of breath
   
• Unexplained sweating
   
• Heartburn or feeling of indigestion
   
• Nausea or vomiting
   
• Back pain or upper abdominal pain
   
• General lethargy or listlessness (malaise)

Chest pressure, discomfort, or a bandlike sensation around the chest with squeezing or heaviness is a common symptom of heart attack.

• About one fourth of people having a heart attack have no pain ("silent" heart attack).
   
• Silent heart attacks are more frequent in people with diabetes.