Can QT be wrong on ECG?

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GWAY82
New Member


Date Joined Feb 2012
Total Posts : 2
   Posted 2/3/2012 5:39 PM (GMT -6)   
Hello all,
I am new here and hope someone can help clear up some confusion for me. 3 weeks ago I went to my PCP for a checkup and he was listening to my heart and said I had a heart murmur. He said they are normally innocent but wanted me to see a cardiologist to be sure. He also told me he was going to have an ecg done before I left. He left and the nurse did the ecg, I picked up my referral and left. about 20 minutes later the receptionist called and asked me to come back because the doctor needed me to pick something up. I went back and they gave me the results of the ecg and told me to take them to the cardiologist. He had written on the results prolonged QTC. The results were: Vent. Rate 54 bpm, P Duration 102 ms, QRS Duration 100ms, PR Interval 158 ms, QT interval 480 ms, QTc interval 468 ms, QT dispersion 38 ms, P-R-T Axis 41 67 56. When the cardiologist asked why I was referred I told him for a heart murmur. He listened to my heart and did another ecg and said he heard a slight murmur but wasn't too concerned, but he scheduled an echo for a week later (today). I told him I had the results from the ecg done at the PCP and asked if he wanted to see them. He said he didn't need to see it. I told him I was concerned because the PCP had written long QTc on the results, he looked at the ecg results he just did and said it was slightly long by fine. I went back to my PCP for a pelvic exam yesterday and he asked if I had seen the cardiologist. He told me what concerned him was the long QT interval, and said if I have a long QT we need to be really careful with medications I take which can prolong the QT. I told him about the cardiolgist exam and told him I didn't show him the results from the first ecg, and that he did his own and didn't say anything about the QT. The PCP seemed a bit concerned and said he would wait to see what the cardiologist sends back and will stay on him about the long QT. I had the echo done this morning and the cardiologist listened to my heart again. He said my heart was fine, there was a slight murmur and some leakage at some of the valves but no heart is perfect. I didn't ask about the QT again because I didn't want to seem annoying.

My question is, could the QT interval on the first ecg have been wrong? Why would it be so long on the first and not the second. Also, since I told the cardiologist I was there for a murmur, not for the long QT, I'm afraid he might not have paid attention to the QT. His English wasn't great so I was having a kind of hard time communicating with him. But, if the cardiologist said everything was okay, should I just let it go? Can you have a long QT interval once and never again?

Sorry this was so long, next time I'll ask more questions at the doctors office, but I was really nervous.

Thanks,

colleen

stkitt
Elite Member


Date Joined Apr 2007
Total Posts : 32602
   Posted 2/4/2012 11:30 AM (GMT -6)   
Good Morning,
 
Tough question but I will try to give you a bit of info.  Long Q-T syndrome can be acquired or congenital. Acquired long QT syndrome is caused by many medications. You did not mention any meds that the cardiologist was concerned about so it may be that going forward you need to make sure any Dr. who prescribes medication for you needs to know you have a long QT interval. A normal QTc < 0.40 sec.
 
Who to believe - your PCP or your Cardiologist.  Well your cardiologist has completed a fellowship in cardiology.  In order to become board-certified as a cardiologist, you must do 24 months of clinical cardiology and 12 months of elective. Therefore your cardiologist has more education as well as experiencing in dealing with cardiac disease. However that does not make him perfect.
 
If you are still uncomfortable I would suggest you seek out the opinion of a 2nd cardiologist.  Thousands of PCPs are excellent in dealing with cardiac disease but in this case you have conflicting info. 
 
Good luck and do keep us posted.
 
Kindly,
Kitt
~~Kitt~~
Moderator: Anxiety, Osteoarthritis,
GERD/Heartburn and Heart/Cardiovascular Disease.

www.healingwell.com

"only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I see, only as much as I dream can I be"

GWAY82
New Member


Date Joined Feb 2012
Total Posts : 2
   Posted 2/4/2012 2:51 PM (GMT -6)   
Thank you Kitt. I am not on any medications. Do you happen to know if its possible that the long qt on the first ecg could have been a fluke? The only thing that still concerns me is the cardiologist never saw the report with the long qt on it.

Thanks again,
Colleen

stkitt
Elite Member


Date Joined Apr 2007
Total Posts : 32602
   Posted 2/4/2012 3:50 PM (GMT -6)   
Colleen,
 
Hey there.  If I understand correctly you had 2 ECGs (1 with your PCP and 1 with the Cardiologist).  You posted the cardiologist's comment, " he looked at the ecg results he just did and said it was slightly long by fine."  Therefore both ECGs showed a long QT interval with the cardiologist clarifying that your QTc was slightly long.  Could one of the reading have been inaccurate - I do not know but you could ask your PCP to repeat the ECG and see if the interval is still long. :-)
Kindly,
 
Kitt 
~~Kitt~~
Moderator: Anxiety, Osteoarthritis,
GERD/Heartburn and Heart/Cardiovascular Disease.

www.healingwell.com

"only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I see, only as much as I dream can I be"

Jkw777
New Member


Date Joined Jun 2012
Total Posts : 2
   Posted 6/18/2012 7:36 PM (GMT -6)   
Hi there I hVe had a similar experience to yours! I've had one EKG that was suspicious. Had a full work up stress test/echo ekgs and my cardiologists said go live your life but avoid te banned drugs list. Have you found out anything further? Please get in touch with me. Hope all is going well.
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