Here's one to consider. I keep seeing posts where a person is taking 5 or 6 potent cardiac meds and still having problems. Have you ever questioned whether any doctor, even the best, can have any idea of the overall effect of these combinations. When you consider the effects these meds have on each other and the dosage adjustments needed to compensate, do you think your doctor is really spending any serious time on it. the usual scenario is to just add another drug to "see if it will help".
Just a though,