Boston Scientific Accolade Exercise Settings
I enquired ( by e-mail) from my hospital pacemaker physiologists whether I could get some relief from breathlessness on exercise initiation, which remains a problem for stairs, lifting, and the start of length swimming etc. Her kind response is the following:
"I am more than happy to look at your rate response again .I am aware of the Boston literature; however my personal experience is that the main benefit is in patients whose only form of exercise is cycling . In other forms of exercise is tends to “ stunt” the accelerometer response .
We cannot curtail the MV aspect just to initial exercise , it would remain throughout your exercise .I think if we add the MV again we could possibly lose the other benefits that you describe."
I have looked at and noted what others in this club have suggested previously with mixed results.
The pacemaker manual
suggests that REACTION TIME may be the best answer. ( ref.2-29) Also, upon exercise, the blended response ( that is the minute volume [MV]/breathing blended with the accelerometer) will promptly (within 4 seconds) increase the rate based on the Accelerometer response. As the rate continues to increase, the blended response will be moving toward the MV response, but will always remain between the Accelerometer and MV responses. At higher rates, the changes in Accelerometer input will have a lesser effect on the blended response (only 40% at MSR), whereas changes in MV will have a more significant effect.
My pacemaker physiologist thinks that bicycling benefits from the minute volume response ( called RightRate® by Boston Scientific) . I wondered whether there is anyone reading this who has tried the blended response for swimming, dancing, or flights of stairs to try to avoid the breathlessness (gasping!) that comes from starting these activities.
Clearly my physiologist urges caution as my accelerometer response, once I do get warmed up is OK for swimming lengths. My physiologist thinks that switching on the MV response would adversely affect the accelerometer response.
Many thanks for your response.
Best wishes to you all for 2024.
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