Dr. P Ashok Kumar, Senior Consultant - Interventional Cardiologist & Heart Failure Specialist, shares key insights on heart attack symptoms. Common symptoms of a heart attack include retro-sternal pain, heaviness behind the sternum, discomfort in the center of the chest, sweating, tiredness, fatigue, lightheadedness, and difficulty breathing. If young individuals experience any of these symptoms, they should seek medical attention immediately. Whenever in doubt, consult a cardiologist and get yourself evaluated. Take care of your heart. Annual checkups can help save lives.