Identify the other causes of chest pain, from heartburn to pneumonia, to determine whether you're having a real or fake heart attack.

Heart disease remains the number one cause of death in the U.S. And looking for warning signs, including shoulder pain, can make a big difference.

Some other lung-related conditions known to cause chest discomfort include: Pneumonia: This infection inflames the air sacs in your lungs and can make your chest hurt when you breathe or cough.

Chest pain isn't always a sign of a heart attack. It can indicate various conditions, from digestive issues to serious heart problems. Chest pain can be a symptom of various health issues. Heaviness in the chest often raises concerns about a heart attack.