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Multiple Sustained SVT episodes

I am a 18 Year old male. I am not overweight and have been diagnosed with SVT.

I have been to two hospitals after having episodes. The first one started with palpitations and a very fast heart rate (150+) Which later peaked to about 184. They didn't give me any medicine or cardiovert me. It sustained a beat of 120+ for about 5 hours. My ekg was slightly abnormal but they didnt seem too worried. My echo came back normal.

Second episode was pretty much the same, palpitations and racing heart beat, which peaked at 175bpm. EKG showed ST segment abnormality, and T wave inversion in 3'rd inferior lead. The P waves look very large and PR interval was 104ms. They gave 6mg Adenosine in my IV and it had no effect on my heart at all. Then a 5mg dose of metoprolol brought me down to about 105bpm and made my EKG come back clean.

Does this sound serious? The Doctor seem'ed concerned the Adenosine didn't have any effect.
10 Responses
Avatar universal
I forgot to add my normal BP is about 110/60 and during my first episode reached 147/100. Second episode it was about 133/80
251395 tn?1434494286
Hello...

Sorry to hear that you've had to deal with this. I had a similar experience with adenosine.

Have you been to a followup with a cardiologist yet? I suspect that they will want to run further testing to determine the cause of your SVT. You may be a candidate for an EP study (electrophysiology study) to pinpoint the area responsible for the SVT. Are you on any type of medication now?
Avatar universal
Yes, the cardiologist reffered me to a electrophysiologist. Im taking 12.5mg Metoprolol daily.
Avatar universal
I havent seen the EP yet, not till friday. But does the large p wave and t wave inversion sound bad?
251395 tn?1434494286
Hello...

It's hard for me to really comment on the EKG without actually seeing it. I'm sure that when you see the EP in 2 days, he'll be better able to determine the seriousness of it.

Please keep us posted with results of your appt:)
Avatar universal
I will post the EKG as i have scanned it.. I will send you a link.
Avatar universal
http://tinypic.com/view.php?pic=2zgah3s&s=5
Avatar universal
Anyone?
267401 tn?1251852496
I feel awful that a guy so young has such weighty things to deal with.

As for the responses - give people some time.  But also, keep in mind that except for a select few that post here, none are professionals.  If I had to guess, I would bet some might balk at analyzing your EKG because they aren't qualified to do it.  I know I'm not.

I hope you can find the answers you're looking for.  Best of luck to you.
Avatar universal
Thanks.. I was hoping for anyones opionions on the EKG professional or not.
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