Sir, i have blood clots in main right artiary and went on angioplasty on 24Nov, 2010. After six months my doctor advised me to have complete heart check up . All Tests were normal like Lipid profile , Blood sugar(Random/Fasting) Eco Test, ECG. But TMT was negative. What is the meaning of it ? Can you advise me ? My Age is 47 (Male), weight 65 Kg