I had undergone PCTA in may 2011 ,due to strongly positive TMT after 5 minutes walk,stent in LED , I am diabetic Hb1ac 8.5, HDL 40 , all other triglyceroids , Lipids are under control.repeat TMT again very strongly positive,at 4.4 minutes ex.Doctor is suggesting angiography , & sure to angioplastry