Thanks for your question on Health Care Magic. I can understand your situation and problem. Yes, your symptoms can be due to heart related diseases. Coronary artery disease, heart failure etc cause chest tightness, pressure and squeezing type of chest pain. So better to get done ecg and 2d echo. If both are normal than no need to worry for cardiac diseases. You are also having stressful life. So possibility of stress and anxiety can also there. So avoid stress and tension. Be relax and calm. Consult psychiatrist and get done counseling sessions. Try to identify stressor in your life and start working on its solution. You may need anxiolytic drugs too. Don t worry, you will be alright, but first rule out cardiac diseases. Hope I have solved your query. Wish you good health. Thanks.