hello, You shouldn t be worried at all. You will have some chest heaviness for some days. If you are taking medicine regular then chance of acute stent blockages are less than 3 % so you should not be worried. One will have very severe Chest pain associated with profuse sweating, giddiness and symptoms similar to heart attack. 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 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.