hello, Yes this could be a cardiac problem due to blockages. You should get your ecg and echo done. You ll need tmt test if your ecg is normal. so visit cardiologist and get these things done. You should avoid heavy activities till your evaluation is complete. You should have a healthy lifestyle like avoiding fatty, oily and high calorie diet. Have low salt diet and monitor blood pressure regularly. Regular exercises like brisk walking, jogging according your capacity and symptoms atleast 30 min a day and 5 days a week. Lots of green leafy vegetables, fruits, fish once or twice a week, avoid meat. Avoid smoking and alcohol if any. There shouldn t abdominal fat deposition or obesity. Get your lipid profile and sugars tested once.. You should get tab Sorbitrate 5 mg sublingually whenever chest tightness occurs prescribed and have rest during such symptoms.