As a 71 year old female with long term low blood pressure, I have recently been bothered with severe heart palpitations and racing beatings and have been diagnosed by heart specialists as having atrial tachycardia. The drugs Calan and Atenolol were prescribed for my use, but unfortunately I have experienced several unpleasant side effects, including a further reduction in blood pressure and increased fatigue.
Are there drugs available for treating my condition that do not lower blood pressure? Could my atrial tachycardia condition be causing my fatigue instead of the prescribed drugs? Also, what are the dangers of not treating atrial tachycardia?