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221122 tn?1323014865
Exercise and PVCs...
I didn't want to tack this onto another person's post.  I, too, have tried to start exercising while my PVCs/PACs were minimal.  I was struggling and started having a lot of them.  This isn't really normal for me, either.  

I have not been exercising much because of a pain issue that is not fixed yet, but I tried.  I got really scared because I know that IT can happen...I didn't stop.  They eventually did.  However, I am not comfortable with this.  (and I DID work up a sweat!)

I just got over a three week horror cold and could NOT do much at all.  Don't know when I should try again.  ick.
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1124887 tn?1313758491
I must say I'm not sure about this, but as far as I know;

- You will easier have premature beats during exercise after a cold/flu. This is because 1) you are deconditioned and 2) every disease may to a certain degree affect the heart (like a slight myocarditis) and all other organs. That said, 3) if you experience this only after a cold and the symptoms worsen, it may be a good idea to rule out subclinical myocarditis.

- Benign premature beats during exercise are often PACs, which are more likely to occur in this setting. Even if they are wide complexed, they may be PACs with aberration (because premature beats occur early during exercise and the RBB is still in the refractory phase).

- PVCs during exercise at high heart rates are often "early" (short RR interval from previous beat) and may easier induce tachycardia if there are pathways in the ventricles allowing that. Also, the heart is often more irritable during exercise

- PVCs during exercise MAY be an early sign of CAD but aren't necessarily so.

- PVCs during exercise MAY in young people be a sign of a variety of heart conditions, but aren't necessarily so.

- Beta blockers may both improve and worsen this (may worsen if the effect on the sinus node is strong).

- Premature beats in the beginning of exercise (when adrenalin effect is higher than sympathic input on the sinus node) are usually normal.

- The fact that your premature beats went away with higher heart rate is a good sign.

Again, I can't say this for sure..
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1124887 tn?1313758491
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102999 tn?1326859384
I will be looking for responses.

My Dr. just said to push through it. I still got them even though I tried to work harder. But I didn't feel dizzy or anything. I have had a recent echo which was fine so I think CAD can be discounted...??

I don't know if I am having PVCs or PACs during exercise, I cannot feel a difference.

I will try again today.

Keep us updated!!
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102999 tn?1326859384
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1807132 tn?1318747197
I don't have much to add with what somthing said, but I would think that having a cold would alter your breathing a bit making it a little unsteady thus leaving you vulnerable to more beats jumping in.  That is kind of how it seems with me.  The more inconsistent my breathing the more ectopics I get but the calmer my breath the less of them there are.  This may be why beta blockers help.  It steadies the beat rate.  So how many are you having and are they going away or getting worse as you continue to exercise?  Maybe you might want to hold off on the exercising until you are fully over the cold.  Take care, I hope you feel better soon.
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