sir, I have angioplastry surgery two years backand inserted stent,now takeing clopidogrel 1-0-1,Ramipril 5mg- 1-0-1, Metoprolol Succinate 50mg-1-0-1, Aspirin Delayed-325mg-0-1-0,I am47 years old, I have no errection even after touching my wife, but before angiopasty I have no problem .Please help me.