question: I am men.I was a smoker but not now. I have heart palpitation maximum time in a day. I can listen my own heart beat and some time I feel my heart pump strange that was different then other normal time but in past this are not happened with me.3 years going I am facing this type of problem.i take treatment under a doctor. He give me many test like holter monitor, ecg, hormone, etc but the result was good. he provide me metoprolol tartrate 50 mg, ones in a day after meals. I don’t understand what can I do?