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Heart Disease (Expert Forum)
Another PVC /PAC question.
This forum is for questions and support regarding heart issues such as: Angina, Angioplasty, Arrhythmia, Bypass Surgery, Cardiomyopathy, Coronary Artery Disease, Defibrillator, Heart Attack, Heart Disease, High Blood Pressure, Mitral Valve Prolapse, Pacemaker, PAD, Stenosis, Stress Tests.
Another PVC /PAC question.
by ardx74, Aug 05, 2003 12:00AM
Dear Doctor,
Thank you for wonderful forum and professional advice, I have posted in the past. (Male 29/190LBS/Athletic/Good Health)
1. As I recall from a previos stress test conducted by a respirologist specialist, he mentioned that the monitor displayed PVC's. My question: Why don't I feel them? I only occasionally feel a "skipped beat" that gives one the sensation of a flip flop.
2. My last 24HR holter reported "one ectopic beat" only in 24HRS, does that include PVC's/PAC's - are those ectopic beats as well?
3. My resting heart rate is generally around 46-48BPM. Does resting HR decrease with age? I worry that in 20 years i'll need a pacemaker or is SSS not related to lower resting heart rates?
4. I'll try to make sense of this question - I've read in a previous post that a stress tes lasted 17 minutes or so, mine was only 12min at 180BPM level 5 (super modified bruce protocal) and stopped (I felt maxed out). I can generally run 5KM without great effort, would one run a stress test until the subject can no longer contine? Or is there a general evaluation period.
5. Lastly - this question for all - Is there any research being conducted in finding a medication directly targeted at relieving or preventing PVC/PAC's in otherwise "healthy heart" individuals? I'm aware of current meds but their not actually targeted the the electrical system of the heart. Can in a theory something be done in repects to the pacemaker of the heart?
Thank you in advance for your response.
Alex in Toronto, Canada.
Thank you for wonderful forum and professional advice, I have posted in the past. (Male 29/190LBS/Athletic/Good Health)
1. As I recall from a previos stress test conducted by a respirologist specialist, he mentioned that the monitor displayed PVC's. My question: Why don't I feel them? I only occasionally feel a "skipped beat" that gives one the sensation of a flip flop.
2. My last 24HR holter reported "one ectopic beat" only in 24HRS, does that include PVC's/PAC's - are those ectopic beats as well?
3. My resting heart rate is generally around 46-48BPM. Does resting HR decrease with age? I worry that in 20 years i'll need a pacemaker or is SSS not related to lower resting heart rates?
4. I'll try to make sense of this question - I've read in a previous post that a stress tes lasted 17 minutes or so, mine was only 12min at 180BPM level 5 (super modified bruce protocal) and stopped (I felt maxed out). I can generally run 5KM without great effort, would one run a stress test until the subject can no longer contine? Or is there a general evaluation period.
5. Lastly - this question for all - Is there any research being conducted in finding a medication directly targeted at relieving or preventing PVC/PAC's in otherwise "healthy heart" individuals? I'm aware of current meds but their not actually targeted the the electrical system of the heart. Can in a theory something be done in repects to the pacemaker of the heart?
Thank you in advance for your response.
Alex in Toronto, Canada.
Doctor's Answer
by CCF-M.D.-RCJ, Aug 05, 2003 12:00AM
Alex,
Thanks for the post.
(1) Many people never feel any PVCs. In fact most people will experience PVCs during their lifetime, but most don't know it. Be glad that you don't feel them however -- many people reading this forum would pay to get rid of their sensation.
(2) Ectopic beat means any beat not arising from the "normal" Sinus location.
(3) Not as part of the normal aging process.
(4) The standard stress tests are performed to maximum exertion -- called "symptom-limited stress test". The most often symptom limiting the tests is fatigue.
(5) No. Although the need is present for many, the market is not large.
Good luck.
Thanks for the post.
(1) Many people never feel any PVCs. In fact most people will experience PVCs during their lifetime, but most don't know it. Be glad that you don't feel them however -- many people reading this forum would pay to get rid of their sensation.
(2) Ectopic beat means any beat not arising from the "normal" Sinus location.
(3) Not as part of the normal aging process.
(4) The standard stress tests are performed to maximum exertion -- called "symptom-limited stress test". The most often symptom limiting the tests is fatigue.
(5) No. Although the need is present for many, the market is not large.
Good luck.
I think 12 minutes was the cut-off for getting "valid" data...
The main reason I stopped in the end was I was finding it hard to breathe through the breathing tube, and to be honest I was kind of getting a little bored by 17mins! :)
SO don't worry about the exact time - as long as you were told that they got the data they needed, that is all that matters.
Alex.