On discovering this wonderful site recently, my problem was definitely halved. Specifically, after having had an AV ablation last month, I found myself struggling to do much of anything because my Pacemaker seemed to be stuck on 80 bpm. Twice I collapsed in public, once when I hurried up a flight of steps to catch a train and the second when I had to hurry across a very wide and busy road. Embarrassing and not a little scary! After that, I was afraid to do much of anything. When I posed my problem on this site, I got a lot of very supportive answers, which helped a lot, even though they didn't throw a light onto exactly why my heart rate would not budge off 80, neither up nor down. Well, yesterday I had a PM reading and guess what? When I had the ablation, they DID NOT TURN ON THE RATE RESPONSE!!!. The technician, who did the reading, was quite taken aback. And I even more so. Either it was a case of negligence or they simply didn't bother to tell me that they felt it necessary to restrict my heart rate during recovery. If the latter was the case, I could have been spared a lot of grief because I would have been aware of my temporary limitations. I will probably never know. However, the important thing is that the PM has now been programmed for 130/60, which should be good because I rarely let my pulse rate go above 120, bearing in mind that I am 75. I will have to cross that very wide and busy road again this afternoon and it will be interesting and, I hope, encouraging to see how I fare.
In the meantime, thank you, everyone, for your interest and your support. I will access this site again in the future to report how things are going.