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177337 tn?1310063499
supraventricular couplets
Are pacs in couplets more dangerous?  I don't know what I'm having.  I feel two quick beats but no pause.  Just beat- beat -beat -beatbeat- beat- beat-beat-beatbeat-beat.  I'm wondering if these are pacs or pac couplets.   I'm not feeling it all the time, but this last hour I have sure felt more than 5 if that is what they are.  Or, is that what a single pac feels like.  I know the pvc's.  Double beat-pause-beat, etc.

My last holter showed 39 pacs with 5 couplets.
(along with 282 pvcs) and no couplets, triplets or bigeminy runs.
It also stated this and I was wondering if someone could interpret it.
SVT Tach Runs - 2
Longest - 6 beats
Max Rage - 164
Max SVE/Min - 14
Max SVE/Hour - 28
Mean SVE/Hour - 1.7
SVE/1000 - 0.4
total % of beats 0.04

Ventricular Events
Total Beats - 282
% Beats - 0.27
AIVR/IVR RUns - 0
V Tach Runs - 0
Max FE/Minute - 8
Max VE/Hour - 76
Mean VE/Hour - 12.3
VE/1000  - 2.7

Thanks - Jodie
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2 Answers
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1124887 tn?1313758491
With PACs, opposite to PVCs, you often feel the actual PAC, not just the next hard beat. The hallmark sign of a PAC is the "beatbeat-- beat"-sensation. Just like a double beat.

You can also feel three beats in a row without it necessarily being a couplet. PACs can squeeze between two normal beats without causing any pause or "bump" in the chest. The way to tell the difference is:

"Squeezed" PAC: beat--beat--beatbeatbeat--beat--beat
PAC couplet: beat--beat--beatbeatbeat----beat--beat
(with a pause afterwards)

That said, PAC couplets are common and benign. Even short SVT's are common and benign (I asked my doctor a week ago, by the way, because I have them too).

Your Holter result looks just fine!

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177337 tn?1310063499
Thanks for your reply.  It helped.  I was just feeling a lot of double beats (very light beats) clustered together yesterday and of course it scared me.   Not the usual feeling I am used to with the pvc's.  (no longer pause)

I always think, if I'm getting an increase then it could be a bad thing.

Have a great day and I'm glad you are here to help!
Jodie
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