I got sick about one year ago and was bedwritten for 2 1/2 weeks, heart rate went high and I have been on medication ever since to lower
heart rate. Try not to go on medication to lower
heart rate, as it will change your life. Not always in a good way. I'm on Atenolol, a beta blocker, and believe me I would much rather to have lowered my heart rate by exercising. However, no one ever told me this. Check out Sally Edward's book, Heart Zones Training, to give more info on this.