my sugar is 6.3 hac,bp around 120/80, weight 83 kilos, lipid profies all normal, i have undergone 4x cabg four years ago. i am taking metformin, aspirin,concor, olmet. occasionallt for some reason bp goes up high and i suffer panic attack. my cardiologist refuse to put me lasix and ask me to go to a hospital if the symptom persis and suggest bp is brought under control. my ecg, echo, stress ecg and lipid profile all normal. i walk 5 kms a day without stopping. but all of a sudden, i feel herart racing and i panic. my doctors tell me not to bother too much and they are finding all grafts are okay. any suggestion