probably familiar......chest pain, four episodes in past month and half, lasting 1-2 hours, er visits, negative stress test, negative angiogram, age 67 female, menopause at 47, low blood pressure, normal chol, bmi 24, cardiologist sent me home, did not mention coronary microvascular disease (but during angiogram, a nurse said I have narrow arteries) and I did smoke 2+ packs a day for 30 years, quit smoking and drinking 20 years ago