What is my problem sir/madam. Normal!

Sir/madam i have left chest pain since 12 months feeling having heart attack... in 12 months to i cunsulted 10 general doctors and 5 cardiologist all are says not heart prblm but pain comes every day and every time 2 months back tmt negative, 2 months back 2d echo normal, 20 ecg normal, recently yesterday ecg also normal expect high heart rate this is only hospital in return to home my heart beat normal i did t g chest x ray normal 2.high sensitive trophinin normal 3.renal function test normal 3.sugar test normal, 4.high bp high 150/100 5.tmt negative 6.ecg normal (weekly once i done ecg now 25 ecgs completed) all are nrml 7.thyroid function test recently done that was also normal 8.5 months back lipid profile normal