Dear Alex78,
I am glad you are recovering well from your heart surgery. I don't think that what you are describing represents a serious condition. This perception of a difference in your heart rate may be related to medications and deconditioning associated with surgery. I would recommend continuing your exercise program and possibly consider participating in a cardiac rehabilitation program. Hope this helps.
Thanks for your question,
CCF-ME-KE
I beleive that I misstated my question. I have been exercising since May 2002 and it was not until just 3 weeks ago that my resting heart rate changed.